Answer:If you see a suspicious abundance of white spots on your twigs, branches, or leaves, you may have an infestation of scale insects, which are parasites of plants and feed on internal plant fluids. The white spots that you see are in fact thousands of tiny white bugs.
Explanation:
of the 30,000,000 species on earth, how many are lost each hour?
If the pH of a solution Is increased from pH 5 to pH7 it means that the?
Answer:
If we refer to pH scale, pH = 7 means neutral solution pH > 7 means basic solution pH < 7 means acidic solution - pH: potential of hydrogen - pOH: power of hydroxide
Answer: it has gained more acidic
Explanation:
4. The stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the stars in the middle of the galaxy. How does this provide evidence of dark matter?
Dark matter absorbs light from outside the galaxy, allowing the light of the stars in the galaxy to show the orbital speeds of the stars.
Dark matter emits the light that astronomers need to see the orbital speeds of the stars.
Dark matter subtracts gravity, which allows the stars to rotate at the same speed.
Dark matter provides the gravity that allows the stars to rotate at the same speed.
Answer:
Dark matter provides the gravity that allows the stars to rotate at the same speed.
Explanation:
The stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the stars in the middle of the galaxy. How does this provide evidence of dark matter?
Dark matter absorbs light from outside the galaxy, allowing the light of the stars in the galaxy to show the orbital speeds of the stars.
Dark matter emits the light that astronomers need to see the orbital speeds of the stars.
Dark matter subtracts gravity, which allows the stars to rotate at the same speed.
Dark matter provides the gravity that allows the stars to rotate at the same speed.
Please don't use these answers to cheat they are for help.
The statement shows that D. Dark matter provides the gravity that allows the stars to rotate at the same speed.
According to the information given in the question, it should be noted that the stars at the edges of a galaxy are rotating around the galaxy’s center at the same speed as the stars that are in the middle of the galaxy.
This implies that dark matter provides the gravity that allows the stars to rotate at the same speed. It should be noted that dark matter doesn't emit the light that astronomers need to see the orbital speeds of the stars.
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The
cell
is responsible for the final processing of processing of cells before they leave the cell?
C)
The golgi body is responsible for the final processing of processing of cells before they leave the cell
Hope this helped you- have a good day bro cya)
a variety of factors can inhibit or enhance calcium absorption. indicate whether each situation increases or decreases calcium absorption by dragging it to the appropriate column.
Calcium is very important to the organism, and different factors influence its absorption. Pregnancy, Infancy, Vitamine D increase calcium absorption. Oxalic acid, phytic acids, and being over 70 years old decreases absorption
------------------------------------------
Calcium is a highly significant mineral for the appropriate development and functioning of the organism.
Different factors influence the mineral absorption, favoring it or limiting it.
Among the factors that might favor calcium absorption, we can mention
PregnancyIn the second and third trimesters of pregnancy, calcium absorption is the greatest. The intestinal absorption of calcium in women during this period increases to meet different demands. Calciotropic hormones are involved in the process.
Vitamine DVitamine D is one of the principal factors involved in calcium regulation. Vitamine D helps to double calcium absorption through the thin intestine.
InfancyDuring infancy, the body is growing, bones are developing, and the body needs to consume a high amount of calcium to accomplish these functions.
Calcium is a baseline mineral to provide children while growing, especially in their first periods of life.
Among the factors that limit calcium absorption, we can mention
Age exceeding 70 years oldElder people consume less food, and together with food consumption decrease, a less amount of necessary mineral is consumed.
With aging, calcium absorption decreases approximately 20% in the intestine.
Oxalic acid and Phytic acidMany substances, together with ingested calcium, form compounds that impede mineral absorption through the small intestine.
So in the presence of substances such as oxalic acid and phytic acid, calcium absorption is limited.
It is recommended not to consume food rich in calcium and food rich in these other substances simultaneously.
Pregnancy, Infancy, Eating vitamine D-enriched food ⇒increases calcium absorptionOxalic acid in spinach, high fiber diet rich in phytic acids, and being over 70 years old ⇒ decreases calcium absorption-----------------------------------------------
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when someone’s immune system overreacts to something harmless it’s called
12.What is an invasive species?
A native species which are added to an area
A keystone species in an environment
A non-native species added to an area
Answer:
An invasive species is an introduced organism that becomes overpopulated and negatively alters its new environment. Although their spread can have beneficial aspects, invasive species adversely affect the invaded habitats and bioregions, causing ecological, environmental, and/or economic damage.
To be invasive, a species must adapt to the new area easily. It must reproduce quickly. It must harm property, the economy, or the native plants and animals of the region. Many invasive species are introduced into a new region accidentally
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. ... Any organism, from plants to fungi, may be a keystone species; they are not always the largest or most abundant species in an ecosystem
An invasive species is an organism that is not indigenous, or native, to a particular area. Invasive species can cause great economic and environmental harm to the new area.
Some scientists think that Earth goes through natural cycles of warming and
cooling. What is different about the current cycle of temperature change?
O A. It is cooling more slowly than previous natural cycles.
B. It warming more slowly than previous natural cycles.
c. It is cooling faster than previous natural cycles.
D. It is warming faster than previous natural cycles.
Answer:
D. It is warming faster than previous natural cycles.
The are sharp teeth that we use for biting.Racoons are opportunistic feeders and will eat just about anything they can find. They will catch and eat invertebrates such as beetles, but also eat different fruits and vegetables and other plant matter. Based on their feeding habits, they would be categorized as
Omnivore/Scavenger (They went through my garbage and ate a leftover rotten cheeseburger ;-;)
Which of the following is the correct sequence of events in aerobic cellular respiration?
A) Glycolysis, Fermentation, Krebs Cycle
B) Krebs Cycle, Glycolysis, Electron transport
C) Glycolysis, Krebs cycle, Electron Transport
D) Krebs Cycle, Electron Transport, Glycolysis
Answer:
A because I got it right
Explanation:
I just got a on a test
If you stained both onion epidermal cells and cheek epithelial cells with methylene blue which would stain more quickly and why?
Answer:
the nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope. And methylene blue stains negatively charged molecules in the cell, including DNA and RNA. This dye is toxic when ingested and it causes irritation when in contact with the skin and eyes. The cells seen are squamous epithelial cells from the outer epithelial layer of the mouth.
Explanation:
Please help!!! Quickly!!!!
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The Correct choice is " a "
Many organisms eat at multiple trophic levels.
Answer:
The feeding relationships of organisms in the real world is almost always more complex than suggested by a food chain. For that reason, the term food web is more accurate than is food
chain.
Explanation:
hope its hepl
PLEASE HELP!! WILL MARK BRAINLIEST
Answer:
mesosphere-The mesosphere is the third layer of the atmosphere, directly above the stratosphere and directly below the thermosphere. In the mesosphere, temperature decreases as altitude increases.
Explanation:
troposphere-The troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Most types of clouds are found in the troposphere, and almost all weather occurs within this layer. ... The bottom of the troposphere is at Earth's surface.
The two strands that make up the DNA double helix are said to be antiparallel. What does that mean?
Nucleotides containing adenine base pair with nucleotides containing thymine.
The 5' to 3' direction of one strand runs counter to the 5' to 3' direction of the other strand.
Base pairings create unequal spacing between the two DNA strands.
Answer:
The 5' to 3' direction of one strand runs counter to the 5' to the 3' direction of the other strand.
Explanation:
Antiparallel strands of a DNA molecule means that the phosphate groups at the start of two DNA strands are in opposite position (pole).
The DNA molecule is composed of two strands held together by hydrogen bonds. A single strand is different at its two ends. One end is called 5' (5 prime), the other is called 3' (3 prime). The names come from the notation for the two sugar carbon atoms which participate in the phosphodiester bonds. The different strands in the helix run in opposite (anti-parallel) directions. At each end of the double helix, one strand is 5' and the other is 3'.
Will you mark brainliest? Thanks and Goodluck..Glad to help.
Which statement can be attributed to the discoveries made by Schwann?
A.All cells come from other cells.
B.All animals are made of cells.
C.All plants are made of cells.
D.
The smallest unit of life is the cell
The statement that can be attributed to the discoveries made by Schwann is as follows:
The smallest unit of life is the cell.Thus, the correct option for this question is D.
What is the contribution of T. Schwann?The major contribution of Theodore Schwann is that he proposed the Cell theory in 1839. This theory consists of three parts. They are as follows:
All living organisms whether plants or animals are made up of cells.A cell is the smallest unit of life for all living organisms. A Cell is the basic structural and functional unit of life.Apart from this, Cell theory was further refined by German Biologist Rudolf Virchow in 1855. He states that "all cells are arising from pre-existing cells". Option one is given by R. Virchow.
While all animals and plants are made up of cells is the second point of the cell theory. So, the correct option with respect to the question is that a cell is the smallest unit of life.
Therefore, the correct option for this question is D.
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ou are designing a building that must minimize energy transfer in the form of heat loss. Describe a building shape that you think would minimize heat loss through the surface of the building, and explain how that shape relates to the surface area-to-volume ratio.
Answer: In principle, to minimise heat transfer through the building envelope the building shape should be as compact as possible,tending toward a cube.
Explanation:
A building's design should be compact and rounded to reduce heat loss through the surface. The optimum shape would be a sphere, but that is impractical for a building. It would be more practical to construct a building that is cylindrical or dome-shaped.
What should be the shape of building to minimize the heat?The optimum shape would be a sphere, but that is impractical for a building. It would be more practical to construct a building that is cylindrical or dome-shaped.
By lowering the building's surface area, this design limits the region where heat may escape from the structure. The surface area to volume ratio should be taken into account while trying to reduce heat loss.
A building that is compact and rounded, such a cylinder or dome, has a lower surface area-to-volume ratio than a building that is rectangular or square and has the same volume. Accordingly, less heat is lost from the building's surface in comparison to the heat that is kept inside the structure.
Additionally, a compact, rounded building will have fewer corners and edges, which are vulnerable to heat loss. Additionally, the structure can be angled to receive as much sun exposure as possible, which can add to the building's heating capacity during the winter.
Therefore, a building's design should be compact and rounded to reduce heat loss through the surface.
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Who influenced Darwin to come up with the idea of Natural Selection (also sometimes called “Survival of the Fittest”)?
Answer:Jean Baptiste Lamarck was a botanist and zoologist who was one of the first to propose that humans evolved from a lower species through adaptations over time. His work inspired Darwin's ideas of natural selection.
Explanation:
I took the test
The gentic information contained in the cell resulting meiosis
Answer:
By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. ... Unlike in mitosis, the daughter cells produced during meiosis are genetically diverse.
Explanation:
how many chemical bond does carbon form
Answer:
carbon form four covalent bond
Explanation:
hope it's helpful
what determines the specificity of a receptor protein?
Answer:
A working hypothesis is that signaling efficiency/specificity is determined in part by proteins found in the receptor's microenvironment, which together with R, G, and E contribute to the formation of a signal transduction complex at the cytoplasmic face of the receptor.
Explanation:
1. If you were a forensic anthropologist, what would you be an expert in
Answer:
human remains
Explanation:
In this field, you study human remains
Why are enzymes so important to all living things? Give a real-life example to back up your answer.
Explanation: Enzymes help all life forms by allowing reactions to occur at a necessary rate of time. Like a maps allows you to turn at the right time and tells you when to turn around at the right time.
Describe the relationship between DNA,
chromosomes, and genes.
RETRY
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
so the relationship between.
Answer: Chromosomes > DNA > Genes
Chromosomes are thread-like structures of DNA coiled around proteins. Genes are specific portions of DNA that code for the production of proteins that are used and/or expressed by a body.
clusters of chlorophyll and accessory pigments are called ________.
What is the function of bud scales?
Answer:
Bud scales act as protection for newly formed leaves and branch growth. They form at the end of the growing season once the leaves have fallen off the branches. Bud scales form in preparation for both new leaves and the extension of a stem's growth.
a student conducts an experiment to test how the temperature affects the amount of sugar that can dissolve in water. in the experiment, she uses 100 milliliters of water in each trial and stirs for five minutes each time. what is the independent variable in this experiment?
In a hypothetical population of butterflies, a dominant mutation in an allele that controls wing color has resulted in purple spots developing on the wings. The genetic change is heritable such that the offspring of butterflies who inherit at least one mutated allele will develop purple spots. The population of butterflies inhabits a windy field that contains many purple flowers. Individuals with purple spots are so well camouflaged on the purple flowers that they are eaten less frequently by predators. There are other fields with populations of the same species of butterfly nearby, but purple flowers are less prevalent in these nearby habitat areas. There are no borders between these fields and it is common for individuals from one population to be blown into another population by the wind. Despite the advantage the mutated allele confers to the butterflies in the field with many purple flowers, the mutated allele never occupies 100% of the gene pool and the population of butterflies always contains a mix of individuals with and without purple spots. What is the most likely explanation for why this trait does not spread entirely throughout the population
The movement of alleles into a population is called gene flow. The most likely explanation for why this trait does not entirely spread in the population is 'outside alleles enter the population through gene flow'.
Gene flow is caused by the migration and further reproduction of individuals in the population, or the transport of gametes from one population to another (e.g., the transport of pollen by pollinating bees).
Gene flow is an evolutionary force capable of modifying allele frequencies in a population.
In this case, despite the evolutionary advantage that the mutated allele confers to the butterflies, the frequency of this allele can not reach 100% due to the continued introduction of alleles from other populations (i.e., due to gene flow).
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what is a sequence of growth, replication, and division that produces new eukaryotic cells called?
identify the landmark found on the proximal end of the humerus.
Answer:
greater tubercle
Explanation:
what contributes to antigenic shift in influenza viruses?
Answer:
The particular structure of the influenza virus genome and function of its viral proteins enable antigenic drift and antigenic shift.
Answer:
Between worldwide outbreaks, known as pandemics, influenza viruses undergo constant, rapid evolution (a process called antigenic drift ), which is driven by mutations in the genes encoding antigen proteins.
Antigenic shift is the process by which two or more different strains of a virus, or strains of two or more different viruses, combine to form a new subtype having a mixture of the surface antigens of the two or more original strains. The term is often applied specifically to influenza, as that is the best-known example, but the process is also known to occur with other viruses, such as visna virus in sheep. Antigenic shift is a specific case of reassortment or viral shift that confers a phenotypic change.
Explanation:
