Answers
The diversity of species seen in intertidal zones helps to illustrate how the biosphere is impacted by favorable oceanic conditions.
The areas between the highest point of the high tide and the lowest point of the low tide are known as the intertidal zones. There is a lot of nourishment in these areas due to the constant shift brought on by the advancing or receding of water, and they also offer favourable living conditions for a variety of creatures, particularly tiny and mid-sized ones.
The effect on the biosphere as a whole is highly favourable. The number of distinct organisms and the number of species that are represented in a very short space are both highly high. As a result, the environment becomes incredibly vibrant and prosperous.
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Answer:
B. Intertidal areas support many types of life.
Explanation:
The answer is actually B!!! Please note that you have to make sure that YOUR question says BIOSPHERE and NOT GEOSPHERE etc.
I also got it right on the quiz, check the pic for proof
Related Questions
Which part of a scientific method does this best illustrate?
Answers
Answer:
Making an observation and asking a questions
229771af467a5e... 1/2 | 87% + 1 H 1. List two parts of a prokaryote that are also in plant or animal cells? (2) 2. A type of bacteria that causes pneumonia is Pneumococcus. Which part of the name tells you the shape? What is a common English word that would describe the shape of this bacteria? (2) 3. Why is knowledge about cyanobacteria important? List two reasons. (2) 4. Why is knowledge about bacteria such as salmonella or e-coli important? List two reasons. (2) 5. What is the name of the process that allows bacteria to reproduce? (1)
Answers
Answer:
Two parts of a prokaryote that are also found in plant or animal cells are the cell wall and the ribosomes.
The word "Pneumococcus" tells you the shape of this bacteria. The word "coccus" is derived from the Greek word for "sphere" and it refers to the spherical shape of this bacteria. A common English word that would describe the shape of this bacteria would be "round".
Knowledge about cyanobacteria is important because they are the oldest known form of life on Earth, and they produce oxygen through photosynthesis, which is necessary for the survival of many other organisms. Additionally, cyanobacteria are an important source of biofuel.
Knowledge about bacteria such as salmonella or e-coli is important because these bacteria can cause food poisoning if consumed, and can also spread from person to person through physical contact or through contact with contaminated surfaces.
The process that allows bacteria to reproduce is called binary fission
4. Take into account the fact that Earth's populations are increasing. How could this fact
explain the differences in the cancer death rate vs. the total number of cancer deaths.
Answers
As Earth's populations increase, the number of cancer cases and cancer deaths is also likely to increase. This can result in differences between the cancer death rate and the total number of cancer deaths.
The cancer death rate is calculated by dividing the number of cancer deaths by the total population and then multiplying by a factor of 100,000 or 1,000,000. As the population grows, the number of cancer deaths may also increase, but the death rate may remain relatively stable if the growth in the number of deaths is proportional to the growth in population.
On the other hand, the total number of cancer deaths is simply the total count of all cancer-related deaths within a given time period, regardless of the size of the population. As the population increases, so will the total number of cancer deaths, even if the death rate remains stable.
Therefore, the difference between the cancer death rate and the total number of cancer deaths can be explained by the growth in Earth's populations. An increasing population may result in an increase in the total number of cancer deaths, even if the death rate remains stable.
Keat is describing the conditions on early Earth. Which line contains an error? (4 points)
Atmosphere has low levels of oxygen, and prokaryotic cells use anaerobic respiration.
Carbon dioxide builds up, and autotrophs evolve and begin producing oxygen.
Increased nitrogen levels kill off most anaerobic cells.
Aerobic autotrophs and heterotrophs become the dominant life forms.
Line 1
Line 2
Line 3
Line 4
Answers
Plants do photosynthesis but not cell respiration. True or False
Answers
Answer:
true
Explanation:
Answer: False!
Explanation: Plants can do both! Plants have mitochondria and can perform cellular respiration. Plants release energy through this phase. The only time plants go through cellular respiration however, is when no sunlight is available.
suggest any two contraceptive methods to control the size of human population and explain them
Answers
Answer:
Explanation:
1)Government should apply schemes to avoid over population
2)Government should apply laws to control the population
Answer:
(i) Barrier method using condoms
Explanation:
Abstinence. Surgical methods. Oral contraceptives. Natural/Traditional method.
offspring produced by ___
reproduction inherit some of the genetic information from each ____
Answers
Answer: simple parent
Explanation:
According to the image below, which season is about to begin in the southern hemisphere?
Summer
Autumn
Winter
Spring
(I tried summer and it was wrong)
Answers
Answer:
Explanation:
The answer is spring. In the Northern hemisphere, it is fall. In the west hemisphere, it's summer. In the east hemisphere, it's winter.
In an ecosystem, there are two color varieties within a species of toads: brown and green. Over 50 years, the proportion of the
population that is green increases from 20% to 50%. Which statement is the most likely to explain this change? (1 point)
O Pollution caused a decrease in the proportion of brown toads.
O The environment changed such that toads that can jump higher into the trees to survive better.
O The environment changed such that green toads can blend into their surroundings better.
O A disease caused a decrease in the proportion of brown toads.
Answers
Answer:
Explanation:
The most likely explanation for the increase in the proportion of green toads in the population is that (c) the environment changed such that green toads can blend into their surroundings better. This increased their chances of survival and reproductive success, leading to a higher proportion of green toads in the population over time.
When a chemical reaction is at equilibrium, which of the following statements is true?
A. The concentrations of reactants and products are equal.
B. The rate of the forward reaction is equal to the rate of the backward reaction.
C. The ratio of the concentrations of reactants and products equals 1.0.
D. The reaction is proceeding in the forward direction at a rate to K'eg.
E. The reaction is proceeding in the reverse direction at a rate to K'eg.
Answers
ANSWER
The answer isA
Explanation:
it is because in a chemical equilibrium forward reaction equals backward reaction.it is a reverse reaction.
Animals that eat a variety of meats, fruits, and vegetables are
a
carnivores.
b
omnivores.
c
decomposers.
d
herbivores.
Answers
Answer:
The answer is B.
Explanation:
Yeast, warm water and substance Z were put into a test tube. The apparatus was then set up as shown. After a while, the lime water began to go cloudy. What is substance Z?
Answers
Answer:
Explanation:
Substance Z is likely an organic compound that is capable of undergoing fermentation. Fermentation is the process by which yeast breaks down carbohydrates and produces ethanol and carbon dioxide. The carbon dioxide produced during the fermentation process causes the lime water to go cloudy.
Please help I dont understand this
One of the ions missing from this simulation is chloride (Cl-
) because it is not directly involved in
creating an action potential. Chloride ions’ purpose is to regulate resting membrane potential by
minimizing accidental neuron stimulation, thus triggering an action potential. Why would this
be important for the maintenance of neuron homeostasis?
Answers
Answer:
Chloride ions play a critical role in maintaining the homeostasis of neurons by regulating the resting membrane potential. By minimizing accidental stimulation, chloride ions help to prevent the initiation of an action potential unless it is necessary, thus preserving the normal functioning of the neuron. This regulation is important in maintaining the stability and proper functioning of the nervous system, ensuring that signals are transmitted only when necessary and in the correct manner. In summary, the presence of chloride ions helps to maintain the homeostasis of neurons by preventing unnecessary stimulation and ensuring proper signaling.
Explanation:
Chloride ions (Cl-) play a crucial role in the maintenance of neuron homeostasis by regulating the resting membrane potential of neurons.
What is the resting membrane potential?The resting membrane potential is the electrical potential difference across the plasma membrane of a neuron when it is not transmitting a signal. It is maintained by the selective permeability of the membrane to ions such as potassium (K+) and chloride (Cl-).
Chloride ions move in and out of the neuron, helping to balance the concentration of positively charged ions like potassium and sodium (Na+). If chloride ions are not present, the resting membrane potential may become too positive, making it easier for accidental neuron stimulation to occur and leading to an action potential when it should not occur.
This can disrupt normal neural activity and lead to problems with neuron function and communication. Therefore, the presence of chloride ions is important for the proper regulation of resting membrane potential and maintenance of neuron homeostasis.
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justify the statement "sex of the children will be determined by what they inherit from their father".
Answers
How fast are you moving relative to the chair relative to the Sun?
Answers
The answer to the question of how fast you are moving relative to the chair relative to the Sun would be the same, as you and your chair are effectively moving at the same speed as the Earth.
However, if we assume that you are sitting in a chair and ask how fast you are moving relative to the Sun, the answer would depend on the reference frame. From the perspective of someone standing on the Sun, the Earth (and therefore you and your chair) is moving in an elliptical orbit around the Sun at an average speed of about 30 kilometers per second (67,000 miles per hour). From the perspective of someone standing on the Earth, you and your chair are stationary (ignoring the rotation of the Earth) while the Earth is rotating on its axis and orbiting the Sun at the same speed mentioned above.
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Lyle knows that the distance from his house to his school is three-fourths of a mile. On the map he has drawn of his neighborhood, they are one-fifth of an inch apart. What scale could lyle include on the map? select three options. One-fifth inch = three-fourths mile three-fourths inch = one-fifth mile four-fifths inch = 3 miles 3 inches = 12 miles 4 inches = 15 miles.
Answers
Lyle's scale might allow for the inclusion of the appropriate alternatives (A), (C), and (E). (A) A half-inch equals a mile (C) 3 miles = 4.5 inches (E) 15 miles in 4 inches.
Distance is calculated as the sum of a person's movement and time. Let D be the actual distance in miles between any two points, and let d be the distance shown on the map between any two points, measured in inches. The distance on the map to the actual distance is equivalent to 1/5 of an inch because the scale on the map is 1/5 inch = 3/4 mile; d/D = (1/5)/(3/4). 1/5 inch equals 3/4 mile. 3 miles = 4.5 inches 15 miles in 4 inches.
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define what is holoendemic
Answers
Answer:
Explanation:
holoendemic [ holoendemic] endemic at a high level in a population, affecting most of the children and so affecting the adults in the population less often; see also hyperendemic.Holoendemic
Explanation: A holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population. HOPE THIS HELPS!
If a cell that is 0.05mm in diameter is viewed under a microscope with a 200x power lens, What will be the size of the image of mm.
if an image of a cell is 50mm in diameter when viewed under a 800x microscope, What is the size of the actual cell in mm.
Answers
Answer:
10mm , 0.0625mm
Explanation:
The size of the image of a cell that is 0.05mm in diameter viewed under a microscope with a 200x power lens would be 0.05mm * 200 = 10mm.
The size of the actual cell if an image of a cell is 50mm in diameter when viewed under a 800x microscope would be 50mm / 800 = 0.0625mm.
ALLEN
Which of the following claims best explains why keratinocytes do not produce melaninChoose matching definitiona. The TYRTYR, TRP2TRP2, and TRP1TRP1 genes may be located on different chromosomes but are activated by the same transcription factor.b. Keratinocytes do not express the MITFMITF gene.c. A knock-out mutation results in a total absence of the mutated protein. A knock-out mutation refers to the loss of a protein's function but not necessarily to its complete absence.d. Deletion.The original sequence has lost the base C.
Answers
The TYRTYR, TRP2TRP2, and TRP1TRP1 genes may be located on different chromosomes but are activated by the same transcription factor. Thus, the correct option is A.
What are Keratinocytes?Keratinocytes represent the major cell type of the epidermis layer of cells, the outermost layers of the skin, it has been found to making up to about 90 percent of the cells in the body. Keratinocytes originate in the deepest layer of the epidermis, the stratum basal and also move up to the final barrier layer of the skin, which is the stratum corneum.
The interaction of keratinocytes and the melanocyte cells is also crucial for the homeostasis of the epidermis layer of cells. Melanocytes are the cells which produce melanin pigment, which absorbs ultraviolet waves and prevents DNA damage to the keratinocytes. Keratinocytes do not produce melanin because these cells do not contain the TYRTYR, TRP2TRP2, and TRP1TRP1 genes.
Thus, the correct option is A.
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The Irish Lumper variety of potato was introduced into Ireland in the early 1800s. The Lumper soon became the only variety of potato grown in much of Ireland. The potato blight destroyed most of the Lumper crop between 1845 and 1852 resulting in the death of about 1 million Irish from starvation.
A researcher suggests that the Irish monoculture (growing a single crop) of the Lumper potato did not significantly change the overall resistance of the potato crop in Ireland to diseases. Which of the following observations best refutes this null hypothesis?
A - Before the arrival of the potato blight, there were already two other potato plant diseases in Ireland.
B - The number of fatalities from the Irish potato famine was greater than the rest of the European countries combined.
C - During the early nineteenth century, the vast majority of people in Ireland depended on the Lumper potato for food.
D - Growing more varieties of potatoes increases competition for available resources, which may yield fewer potatoes.
Answers
The number of fatalities from the Irish potato famine was greater than the rest of the European countries combined. Thus the correct answer is option (B).
Irish potatoes' genetic homogeneity made the potato famine that wiped out Ireland's population and economy worse. Evolutionary theory warns against relying on crops with little genetic variety. We might be able to stop significant crop loss caused by shifting environmental circumstances if we pay attention to expert advice and historical lessons. The Irish were able to feed their expanding population in the 1800s by cultivating potatoes. They grew only the "lumper" variety of potato. Furthermore, because potatoes can be replicated vegetatively, all of these lumpers were identical clones. For a while, the lumper gave Ireland food, but it also created the circumstances that resulted in significant economic and social catastrophe. According to evolutionary theory, populations with lesser genetic diversity are more vulnerable to changing environmental conditions than populations with higher genetic diversity. When the ecology of the country changed and a potato disease appeared there in the 1840s, the potatoes (and the people who depended on them) were destroyed. It is likely that the Irish potato clones had little genetic variation.
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after you remove the water all life is made up of mostly carbon. what makes carbon a good atom for building with?
Answers
In order to create covalent chemical bonds, carbon contained 4 electrons available. As a result, carbon atoms can build several stable connections with other tiny atoms, such as hydrogen, oxygen, as well as nitrogen.
Explain about the carbon and its properties?Carbon has a remarkable capacity to connect with a large number of other elements.
Because of its special abilities to make covalent connections with up to four different atoms, the carbon atom is ideally suited to act as the fundamental structural element, or "backbone," of macromolecules. The ability of carbon to establish stable bonds with numerous elements, including itself, is the cause. Due to this characteristic, carbon can take the form of a vast range of very massive and complicated compounds. In actuality, the number of carbon-based molecules in living organisms is close to 10 million. Plants employ carbon to create their stems and leaves which animals then eat and use for cellular growth. Gases like carbon dioxide are among the forms of carbon that are stored in the atmosphere.To know more about the carbon, here
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Genome maps provide the dna sequences of chromosomes. Some scientists have compared the genome maps of a hedgehog and a sloth. What do these genome maps allow the scientists to determine?.
Answers
Evolutionary relationships: Genome mapping can aid researchers in understanding the evolutionary relationships between various species.
What can researchers learn from genomic maps?Genome mapping is a method for locating genes on a chromosome and calculating their distances from one another. Linkage mapping, another name for genetic mapping, can provide solid proof that a condition passed from parent to kid is connected to one or more genes.
Why are other organisms' genomes being sequenced by scientists?Understanding genomes and their function in the development of organisms is improved through genome sequencing. An organism's DNA is used to identify the order of its base pairs, which are coded by the letters A, C, T, and G, when scientists sequence a genome.
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What is the temperature danger zone ? What is its significance in food preparation ?
Answers
Answer: The danger zone is typically between 40°F (4°C) and 140°F (60°C). The temperature danger zone refers to the temperature range in which bacteria can multiply rapidly on food.
Explanation: The significance of the temperature danger zone in food preparation is that it represents the conditions in which bacteria can grow and cause foodborne illnesses. When food is held at temperatures within this range, bacteria can multiply at a rapid rate, increasing the risk of food contamination and the potential for foodborne illnesses.
Proper cooking and reheating temperatures are essential to kill harmful bacteria in food. Cooking foods to their recommended internal temperatures helps ensure that bacteria are destroyed and the food is safe to eat.
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Under which circumstances would an error during DNA replication be most
likely to cause genetic variation?
A. The error is so minor that the cell can still fully function.
B. The error occurs in a gamete and the resulting offspring survives.
C. The error occurs early in development and causes observable
changes in the organism.
D. The error prevents the parent cell from completing its cell cycle.
Answers
The correct option is B. The error occurs in a gamete and the resulting offspring survives.
What effects can DNA replication errors cause on cell division?DNA replication errors can occur during cell division, and these errors have the potential to introduce genetic variation. However, in order for the error to result in genetic variation that can be passed on to future generations, it must occur in a cell that gives rise to gametes (sperm or egg cells). If the error occurs in a somatic cell (any cell in the body that is not a sperm or egg cell), it will not be passed on to offspring.
Furthermore, for the error to cause genetic variation, the offspring must survive and be able to pass on the error to its own offspring. If the error occurs in a critical gene that is necessary for survival, the offspring may not survive.
Therefore, an error during DNA replication would be most likely to cause genetic variation if it occurs in a gamete and the resulting offspring survives.
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Salicylic acid is one of the hormones proposed to be important for systemic acquired resistance (SAR). Which of the following observations would suggest that salicylic acid is an important signaling molecule for SAR in response to infection by tobacco mosaic virus (TMV)?Salicylic acid is one of the hormones proposed to be important for systemic acquired resistance (SAR). Which of the following observations would suggest that salicylic acid is an important signaling molecule for SAR in response to infection by tobacco mosaic virus (TMV)?When a leaf of a plant is infected by TMV, salicylic acid is only present in infected leaves.Salicylic acid is present in leaves before a TMV infection, but not after.A plant is more likely to be infected by TMV if salicylic acid is present.Levels of salicylic acid increase in the vascular tissue fluid of a plant when a single leaf is infected with TMV.
Answers
Increased levels of salicylic acid in vascular tissue fluid suggest it's important for systemic signaling and defense against TMV.
The observation that levels of salicylic acid increase in the vascular tissue fluid of a plant when a single leaf is infected with TMV suggests that salicylic acid is important for systemic signaling in response to TMV infection, activating the plant's defense response.
Systemic acquired resistance (SAR) is a defense mechanism in plants that provides protection against future pathogen attacks. Salicylic acid is proposed to be an important hormone for the activation of SAR in response to infection by tobacco mosaic virus (TMV). The observation that levels of salicylic acid increase in the vascular tissue fluid of a plant when a single leaf is infected with TMV suggests that salicylic acid is involved in the systemic signaling process that activates the plant's defense response. This allows the plant to mobilize a rapid and effective defense response against future pathogen attacks.
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A reaction in which a , b , and c react to form products is zero order in a , one-half order in b , and second order in c.
Answers
A reaction with zero-order kinetics in reactant "a," one-half order in reactant "b," and second-order kinetics in reactant "c" means that the rate of the reaction depends differently on the concentration of each reactant.
According to zero-order kinetics, the rate of the reaction is independent of the reactant's concentration, therefore doubling its concentration won't increase the rate of the reaction by the same amount.
According to one-half order kinetics, the rate of the reaction is proportional to the square root of the reactant concentration, so doubling the concentration of "b" will cause a factor of the square root of 2 increase in the rate of the reaction.
According to second-order kinetics, the rate of the reaction is proportional to the reactant concentration squared, so doubling the concentration of "c" will cause the reaction rate to increase by a factor of four.
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Question: A reaction in which a , b , and c react to form products is zero order in a , one-half order in b , and second order in c. by what factor does the reaction rate change if [b] is doubled (and the other reactant concentrations are held constant)?
One of the four nucleotide bases in DNA is replaced by a different base in RNA. Which base is it, and what is it replaced by?a. transcription and then translation
b. thymine, replaced by uracil.
c. both a and c are correct
d. hydrogen bond.
Answers
One of the four nucleotide bases in DNA will be replaced by a different base in RNA. The base is thymine and it is replaced by uracil in RNA. Option B is correct.
DNA and RNA are nucleic acids that are composed of nucleotide subunits, each consisting of a sugar, a phosphate group, and a nitrogenous base. The four nitrogenous bases found in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T), while RNA uses uracil (U) instead of thymine.
During transcription, the process by which RNA is synthesized from a DNA template, RNA polymerase reads the DNA sequence and incorporates complementary RNA nucleotides, creating a single-stranded RNA molecule that is complementary to the DNA template.
In RNA, uracil (U) pairs with adenine (A) via hydrogen bonds, while in DNA, thymine (T) pairs with adenine (A) via hydrogen bonds. Therefore, during transcription, thymine is replaced by uracil in RNA, which allows for base-pairing with adenine and ultimately the production of the RNA molecule.
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A scientist has found a protein that is involved in an important chemical
reaction. She sets up two tests: one with the protein and one without the protein.
What should she measure to determine whether the protein is an
enzyme?
O The amount of products bound to the active site
The amount of protein consumed
O The rate of the chemical reaction
O The temperature change of the reaction
Answers
Answer:
The rate of the chemical reaction
Explanation:
The rate of the chemical reaction is the key measurement that the scientist should make to determine whether the protein is an enzyme. This is because enzymes are biological catalysts that increase the rate of chemical reactions without being consumed themselves in the process. By comparing the rate of the chemical reaction in the presence and absence of the protein, the scientist can determine whether the protein is acting as an enzyme and thus playing a role in the reaction.
Polymer A
All monomers have rings.
It contains no N or P.
The bonds between monomers involve The bonds between monomers involve
sugar molecules.
sugar molecules.
O Lipids and proteins
Polymer B
All monomers have rings.
What two classes of biomolecules are being compared?
Nucleic acids and proteins
It contains both N and P
Lipids and nucleic acids
O carbohydrates and nucleic acids
Answers
The two classes of biomolecules being compared are carbohydrates and nucleic acids.
The correct option is D.
What are nucleic acids and carbohydrates?Macromolecules that are made up of oxygen, carbon, and hydrogen are known as carbohydrates. They consist of monosaccharides and are present in meals like bread.
Carbohydrates have ring structures but do not contain nitrogen and phosphorus.
Macromolecules called nucleic acids are the information molecules of every organism's genetic material is made up of macromolecules called nucleic acids. Nucleotide monomers make up their structure.
Nucleic acids have ring structures that contain nitrogen and phosphorus.
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Select the correct answer. Simplify the following expression. (4x + 7)2 a. 16x2 - 49 b. 16x2 + 56x + 49 c. 16x2 + 28x + 49 d. 16x2 + 49.
Answers
To simplify the expression (4x + 7)2, we need to apply the formula for squaring a binomial
Step 1: Identify the values of a and b in the formula[tex](a + b)2.[/tex]
In this case, a = 4x and b = 7.
Step 2: Substitute the values of a and b into the formula and simplify.
[tex](a + b)2 = a2 + 2ab + b2(a + b)2 = a2 + 2ab + b2[/tex]
where a = 4x and b = 7.
Substituting these values into the formula, we get:
[tex](4x + 7)2 = (4x)2 + 2(4x)(7) + 72[/tex]
[tex]= 16x2 + 56x + 49[/tex]
Therefore, the correct answer is (b) [tex]16x2 + 56x + 49.[/tex]
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