Answer:
Isolation
Explanation:
On a island, there are three mice population in which one population cannot contact other populations. This situation is an example of allopatric speciation.
What is Allopatric speciation?Allopatric speciation is also referred to as geographic speciation. It is also called vicariant speciation. Allopatric speciation is a mode of speciation which occurs when the biological populations become geographically isolated from each other to an extent that it prevents or interferes with the normal gene flow in a population.
There are several factors which are required for the allopatric speciation to take place such as isolation of a population, time, and natural selection in an environment. Earthquakes, floods, and migration all are the ways through which a group of individuals of the same species can become isolated.
Learn more about Speciation here:
https://brainly.com/question/9589072
#SPJ2
the circulatory fluid found in annelids and all vertebrates is called
Answer:
Most vertebrates and some invertebrates, such as this annelid earthworm, have a closed circulatory system. (b) In open circulatory systems, a fluid called hemolymph is pumped through a blood vessel that empties into the body cavity. ... The blood is called hemolymph because it mixes with the interstitial fluid.
Explanation:
Hope this helps...
the chromosomes arrive at the poles and nuclear envelopes form during which phase of mitosis?
Answer:
hope this helps ♡
Explanation:
Telophase is the fifth step in mitosis. In telophase, chromosomes arrive at opposite poles and begin to decondenese. nuclear envelope material surrounds each set of chromosomes.
if blood calcium levels drop below 8.5 mg/dl which hormone is likely to be activated?
Answer:
Parathyroid Hormone (PTH)
Explanation:
The major function of the parathyroid glands is to maintain the body’s calcium level in both the blood and bones.
There is a narrow range of calcium required for the nervous and muscular systems to function properly. (A normal calcium level in the blood stream ranges from 8.5-10.2 mg/dL ).
When blood calcium levels drop below a certain level, receptors in the parathyroid gland release parathyroid hormone (PTH) in proportion to the amount of calcium that is required by the body. This hormone increases blood calcium levels by stimulating osteoclasts to release calcium by breaking down bone. Osteoclasts are cells in the bones that break down and remodel bone tissue.
I have used this site, if you would like to know more please read it whenever your free.
https://www.advancedparathyroid.com/hyperparathyrodisim/what-are-the-parathyroid-glands/
many promoters of a hypothetical conserved gene have mostly adenines and thymines. what is the most likely reason for this high proportion of adenines and thymines?
Assignment : Write 5 characteristics of each: chlamydomonas
amoeba
paramecium
diaom
Answer:
Here is the answer to your question.
Explanation:
Chlamydomonas: Motile unicellular algae, generally oval, cell wall is made up of a glycoprotein and non-cellulosic polysaccharides instead of cellulose, two anteriorly inserted whiplash flagella, contractile vacuoles are near the bases of flagella.
Amoeba: Amoeba is a unicellular organism found in stagnant water, the size of amoeba is 0.25, they move with the help of a finger-like projection called pseudopodia, the cytoplasm is differentiated into two parts, the outer portion is ectoplasm and the inner portion is called endoplast, amoebae are eukaryotes whose bodies most often consist of a single cell.
Paramecium: Paramecia cells are characteristically elongated, Paramecia are eukaryotes, asexual reproduction (binary fission), sexual reproduction (conjugation), autogamy (self-fertilization).
Diatom: Diatoms have two distinct shapes: a few (centric diatoms) are radially symmetric, while most (pennate diatoms) are broadly bilaterally symmetric. A unique feature of diatom anatomy is that they are surrounded by a cell wall made of silica (hydrated silicon dioxide), called a frustule.
Hope This Helps!!!
Which statement is a hypothesis that would best address the question "Are rainbow trout eating all the macroinvertebrates in streams and starving out other fish species?" If rainbow trout are eating all the macroinvertebrates, then keeping rainbow trout out of new river habitats will allow native species to recover. If rainbow trout are eating all the macroinvertebrates, then introducing them to other streams will help native species recover. Rainbow trout will eat a variety of macroinvertebrates and native fish species. Rainbow trout hunt and prey upon native fish species.
A possible hypothesis here is; "If rainbow trout are eating all the macroinvertebrates, then keeping rainbow trout out of new river habitats will allow native species to recover."
A hypothesis is a statement that is tentatively put forward to explain an observation. Usually, a hypothesis is an if .... then statement. This is one of the first things that we must look out for when considering each of the statements.
Since we have observed that rainbow trout eating all the macroinvertebrates in streams and starving out other fish species, it follows that keeping rainbow trout out of new river habitats will allow native species to recover."
Learn more: https://brainly.com/question/23056080
What happens to the matter we take in?
Answer: Well Changing states of matter occur when matter loses or absorbs energy. When a substance absorbs energy the atoms and molecules move more rapidly and this increased kinetic energy pushes particles far enough, that they change form
Explanation:
Answer:
we breathe it out , smell it
Explanation:
The temperature in your bedroom is 65 F with a few point temperature of 45 F. You open your bedroom window to let some outside air in. The outside temperature is 50 F and dew point temperature is 45 F.
Will the amount of water vapor in the room change?
Does dew point temperature increase, decrease, or remain the same?
Does relative humidity increase, decrease, or remain the same?
Answer: the amount of water vapor and the temperature will stay the same
Explanation:
plz help me with why
An apple, potato, and onion all taste the same if you eat them with your nose plugged
Answer:
the flavor will neutralize
Explanation:
if you're plugging your nose, it blocks most of the taste out of a food item. so while biting into an onion while plugging your nose, it will neutralize the strong flavor and make it taste more like an apple or potato since they have very similar textures. hope this helps!
The archer was shooting at the bullseye. What is the Best description of this attempt.
A. accurate but not prescise
B. Both precise and accurate
C. Precise but not accurate
D. Neither accurate nor precise
Answer:
b
Explanation:
the archer was taking their time and being precise
A process in which a large nucleus splits into two or more parts is called:
Answer:
Nuculear Fission.
A process in which a large nucleus splits into two or more parts is called nuclear fission.
What is nuclear fision?The term nuclear fission refers to the breaking apart of a large nucleus to give daughter nuclei with the accompanying release of energy. We have to note that usually the nucleus is bombarded by a small particle.
Hence, a process in which a large nucleus splits into two or more parts is called nuclear fission.
Learn more about nuclear fission: https://brainly.com/question/13805601
Help please and thank you
Answer:
c
Explanation:
i think im not sure lol
Which of the following describes receptor-mediated endocytosis?
A type of pinocytosis that allows for cells to acquire large amounts of specific substances
A type of phagocytosis that creates a food vacuole digested by hydrolytic enzymes
Molecules move through passages in the cell membrane that are created by channel proteins
The fusion of the vesicle to the membrane removes phospholipids and releases contents in extracellular space
Answer:
Receptor-mediated endocytosis is a form of endocytosis in which receptor proteins on the cell surface are used to capture a specific target molecule. The receptors, which are transmembrane proteins, cluster in regions of the plasma membrane known as coated pits.
Explanation:
hope this is the answer that you look for
Receptor-mediated endocytosis is A type of pinocytosis that allows for cells to acquire large amounts of specific substances.
The particles that are too large to passively cross the membrane are taken in by endocytosis.What is endocytosis?It is invagination of the cell surface to form intracellular membrane bounded vesicles containing extracellular fluid.It is opposite to the fusion of plasma membrane bounded vesicles to the cell surface.To know more about pinocytosis here
https://brainly.com/question/13363163
#SPJ2
Describe three ecosystem services that insects provide?
Answer:
dung burial, pest control, and pollination
The three ecosystem services that insects provide are dung burial, pest control, and pollination.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
Learn more about ecosystem,here:
https://brainly.com/question/13979184
#SPJ2
what percentage of genetic information is passed on from parents to their offspring
Answer:
50% from each parent
Explanation:
The percentage of genetic information passed on from parents to their offspring is 50% from each parent, for a total of 100%.
What is the percentage of genetic information?Approximately 50% of genetic information is passed on from each biological parent to their offspring. This occurs through the combination of genetic material during fertilization, where half of the offspring's genetic material comes from the mother and the other half from the father.
However, the exact percentage of genetic information passed on can vary due to factors such as genetic mutations and recombination during meiosis.
This occurs through the process of sexual reproduction, where each parent contributes one gamete (sperm or egg) containing half of their genetic information.
When the sperm and egg combine during fertilization, they form a zygote with a complete set of genetic information (100%), half from each parent.
Learn more about Genetic information here:
https://brainly.com/question/6748577
#SPJ2
Which argument supports that humans and other animals depend on plants for survival?
Answer:
Animals are totally dependent on plants. First of all plants produce oxygen which is vital for life on earth. Then, for many animals plants are their basic food, or if plants don’t make up 100 % of their diet, plants are nevertheless essential in their food supply. Plants are also used by animals (and men) as material for building nests (and or homes). Carnivorous animals eat animals which are herbivorous, and without plants they wouldn’t survive, so the carnivors would quickly disappear. Plants are also vital in the maintaining of the climate and without plants the earth’s surface would be subject to erosion. So, to resume, life on earth wouldn’t be possible without plants.
HELP ASAP!!!!
The diagram below shows a cell placed in a solution.
A cell is shown placed inside a beaker. It is labeled Cell. The solution inside the beaker is labeled 2 percent salt solution and the solution inside the cell is labeled 4 percent salt solution.
What will most likely happen to the cell?
It will expand as water moves out of it.
It will shrink as water moves out of it.
It will expand as water moves into it.
It will shrink as water moves into it.
Answer:
It will expand as water moves into it.
Explanation:
Answer:
D.It shrink as water moves into it
Explanation:
I HOPE THIS HELPS!!!!
What is the volume of a 2 X 4 that is 8 feet long?
What would the density of the 2 X 4 be if it has a mass of 652 grams?
Answer:
Calculate the density of a 500 g rectangular block with the following dimensions: length=8 cm, width=6 cm, height=5 cm. M = 500g.
Explanation:
All of these are attributed to deforestation EXCEPT:
A)
Less biodiversity
B)
A loss of soil nutrients
An increase in forested areas
D
An increase in greenhouse gases
Answer:
C
Explanation:
Deforestation is the process clearing large expanses of woodland; which destroys biodiversity, removes fertility in soil and increases greenhouse gases; but DECREASES the amount of forested areas. Hope this helps :D
River deltas are?
formed by deposition
created by seafloor spreading caused by the movement of tectonic plates
areas of infertile, rocky soil
They are formed by desposition
what would happen to a signaling pathway if phosphatases had reduced levels of function?
true or false? a haploid organism has one pair of homologous chromosomes.
Answer:
False
Explanation:
A haploid has one SET of homologous chromosomes
It is false that a haploid organism has one pair of homologous chromosomes.
What are haploid organisms?When an organism's cells only have one set of chromosomes, the organism is said to be haploid.
All organisms that reproduce are diploid (having two sets of chromosomes, one from each parent). Only the egg and sperm cells in humans are haploid.
Male ants, bees, and wasps are haploid organisms because they develop from unfertilized haploid eggs, whereas females (workers and queens) are diploid, making their system haplodiploid. The majority of animals are diploid.
The term "diploid" describes how many complete sets of chromosomes there are in each cell of an organism: diploid cells have two entire sets.
On the other hand, haploid organisms only have one complete set of chromosomes. Throughout meiosis and sporadically in mitosis, chromosome sets can change.
Thus, the given statement is false.
For more details regarding haploid organisms, visit:
https://brainly.com/question/13049050
#SPJ6
Please help
2. What does the mitochondria do in cells?
Answer:
The Mitochondria is where aerobic cellular respiration takes place or it is the site of ATP production.
4. The size of a bryophyte is limited because it has no system for transporting water high
above the ground. True or False?
a. TRUE
b.FALSE
Answer:
True.
Explanation:
Bryophytes lack the conventional vascular tissues which usually contain the substance lignin. Without vascular tissues, these plants have no means of transporting water and/or nutrients from their lower organs to the higher organs which explains their limited height.
Hope this helps! Brainliest? Anyways have a great day!! :))
blood vessels that carry blood back to the heart are called
Answer:
There are three main types of blood vessels
The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart.
Explanation:
One of the carbohydrates is a building block of a plant's cell wall. It is
Answer:
hshdghdisuahzggdhxdhdnndnxhdj dhhdgdhdghdgdgehdyjebdjdhdydjshdjudydjdjdjxjxjdjdjdjdjdjdjdjdhdjdhydudueuhhcgduhxydjyduydjdhdyudjddhhdudusudidhdddfrdiiwousiisosooss
Answer:
cellulose is a building block of a plant cell wall
Explanation:
The body is protected against harmful flu
viruses by
(1) red blood cells and hormones
(2) white blood cells and antibodies
(3) white blood cells and enzymes
(4) red blood cells and antibodies
Answer:white blood cells and antibodies
Explanation:White blood cells include lymphocytes (such as B-cells, T-cells and natural killer cells), and many other types of immune cells.
2. what is the name of the rounded ball at the proximal end of the humerus?
Answer:
the head of the humrus is the ans
PLEASE HELP RIGHT NOW ASAP!!!!! 100 POINTS TO WHOEVER ANSWERS CORRECTLY!!!!!! :)
A group of students prepared a table listing the types of reproduction that occur in several organisms. Based on this information, which of the organisms can produce offspring that are genetically identical to the parent organism? Explain your reasoning.
ANSWER: cats and frogs
rudolph virchow concluded that new cells are produced from
Answer: The division of existing cells. This led to cell theory.
Hi there! Like the other person said, Rudolph Virchow concluded that new cells were created strictly from division of existing cells.
Because of this, it led to the "cell theory".
Have a nice rest of your day!
