Answer:
2
Explanation:
edge 2021
The type of selection that occurs when a population experiences a shift in diversity toward the larger organisms is a directional selection.
What is a selection?It is a phenomenon by which some organisms have better advantage at surviving than the others of the same species.These organisms prevail and are reproductively more successful than the others.What is a directional selection?It is the type of selection in which an extreme phenotype is selected and the rest are at a disadvantage."The allele frequency is shifted in the direction of that phenotype.What is a disruptive selection?It is the type of selection in which both the extreme phenotypes are favored than the others.
What is a stabilizing selection?It is the opposite of directional selection.In this the mean phenotype is selected and the extreme phenotypes are not.To learn more about phenotypes, selection, directional selection and population here,
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How does a genetic mutation occur?
Answer:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.
Explanation:
ubicación corporal del gusto
Answer:
La sensación de sabor se percibe utilizando dos sentidos corporales simultáneamente: el gusto, detectado en la boca, principalmente en la lengua, y el olfato, radicado en las fosas nasales, en donde se detecta el aroma
How do the densities of the planets support the Nebular Theory?
Answer:
The solar nebula theory explains that planets are formed by solid bits of matter. What that matter is entirely dependent on the gas and substances available.
Explanation:
Blue poppies native to China were grown at a plant-breeding center in California. The plants with the thickest leaves were most likely to survive and reproduce in the drier climate. After several generations, the percentage of thick-leaved plants had increased by 42%. This adaptation of the poppies to their new environment is due to _____. See Concept 23.4 (Page 495) Blue poppies native to China were grown at a plant-breeding center in California. The plants with the thickest leaves were most likely to survive and reproduce in the drier climate. After several generations, the percentage of thick-leaved plants had increased by 42%. This adaptation of the poppies to their new environment is due to _____. See Concept 23.4 (Page 495) disruptive selection neutral variation directional selection genetic drift stabilizing selection
Answer:
directional selection
Explanation:
Directional selection is a type of natural selection where individuals exhibiting an extreme phenotype for a given trait are favored over the mean or other extreme phenotype. This type of selection can lead to drastic and fast changes in allele frequencies between generations in a population, being particularly important in speciation processes. Directional selection is common under environmental changing conditions (e.g., weather, climate, food availability, etc) or when individuals migrate to other regions in order to adapt to new environmental pressures.
14. What are the three types of muscle?
skeletal, smooth and cardiac hope these helped
what is the atomic number of this atom?
Answer:
6
Explanation:
The atomic number should be 6. Atomic number is determined by how many protons are in an atoms. In the diagram, 6 protons are shown in the nucleus.
Match Column A with Column B
Column A
3.1.1 Division of the cytoplasm
3.1.2 Uncontrolled cell growth
3.1.3 Chromatids lined up at equator of cell
3.1.4 Chromatids joined at this point
3.1.5 Mass of cancerous cells
3.1.6 Skin cancer
3.1.7 Growth and mitosis
3.1.8 Cancer causing factors
3.1.9 Cancer cells that do not spread
3.1.10 Replicated half of a chromosome
Column B
A carcinoma
B benign
C cancer
D meristematic
E carcinogens
F metaphase
G cytokinesis
H tumour
I centromere
J sarcoma
K anaphase
L malignant
M chromatid
N cell cycle
Answer:
3.1.1 = G
3.1.2 = C
3.1.3 = F
3.1.4 = I
3.1.5 = H
3.1.6 = A
3.1.7 = N
3.1.8 = E
3.1.9 = B
3.1.10 = M
Explanation:
- 3.1.1
Cytokinesis is the process whereby the cytoplasm of a cell divides into two in order to accommodate the already divided nucleus.
- 3.1.2
Cancer is a medical condition that means an uncontrolled division or growth of cells.
- 3.1.3
Metaphase is a stage of mitosis where chromatids line up at the equator of the cell i.e cell plate.
- 3.1.4
Centromere is a point where sister chromatids i.e. replicated chromosomes are joined before separation in the anaphase stage.
- 3.1.5
Tumour is the term given to a mass of cancerous cells. Cells repeatedly divide without control to form a mass called tumour.
- 3.1.6
Carcinoma is a type of skin cancer or rather a cancer that begins in the skin.
- 3.1.7
The cell cycle involves the interphase and mitotic phase. Interphase stage is the stage where the cell grows, multiplies its genetic material and generally prepare while mitosis is the nuclear division.
- 3.1.8
Carcinogens are biological or chemical substances that causes cancers. They are said to be factors that induce cancer.
- 3.1.9
Benign tumor are mass of cancerous cells that do not spread to other parts.
- 3.1.10
A chromatid is the half part of a replicated chromosome. Together, they are called SISTER CHROMATIDS.
What does the prefix “geno” mean, and what is a biology term that uses PSR?
Answer:
The prefix for "geno"- Race, Kind, Family
PSR- Phosphate Starvation Response
Explanation:
Someone pls answer my last question smh
Answer:
let me see what it is
Explanation:
Answer:
ok
Explanation:
2. List five things that are found in terrestrial ecosystems.
Answer:
Explanation:
tundra,
taigas,
temperate deciduous forests,
tropical rainforests,
grasslands, and deserts.
Hope this helped!!!
What is meant by a carbohydrase?
How we can use codes for Automation and Robotics?
Answer:
to make them move with the code
Please help i am giving away brainiliest
Which of the following is necessary in order for natural selection to act on a
population?
A. selective pressures that favor certain individuals
B. asexual reproduction through mitosis
C. equal chance of survival for all individuals
D. decrease in diversity through genetic drift
No dam links
Answer:
A
Explanation:
Natural selection occurs when an environment makes organisms with certain traits more likely to survive and reproduce.
Asexual reproduction results in no genetic variation (meaning differences in traits, also called divserity). Genetic variation must be present for certain organisms to be better suited to their environment, because in its absence all organisms share the same traits. This rules out B, C, and D. I hope this helps :)
Selective pressures that favor certain individuals are necessary in order for natural selection to act on a population. Therefore, option (A) is correct.
What is natural selection?The process by which organisms are able to pass on the favorable qualities they possess to their offspring is known as natural selection. Organisms that are better able to adapt to their surroundings have a greater chance of surviving and reproducing in that environment. As a consequence of this, advantageous characteristics become more prevalent over time, whereas undesirable traits become less prevalent, resulting in a change in the genetic make-up of a population.
Natural selection can be influenced by a variety of environmental factors, including predation, competition for resources, and shifts in climate. It is a fundamental mechanism of evolution and contributes to our understanding of the diversity of life on Earth as well as the various ways in which different species have adapted to their surroundings.
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mitosis maintains living organisms by which of the following processes?
1. the removal of waste from the body
2. the exchange of gas with the environment
3.the healing of a cut after an injury
4. the formation of sperm and egg
Answer:
3
Explanation:
mitosis helps in the reproduction of identical copies of cells thus helping in the repairing of damaged tissues or replacing worn out cells
RNA is used in the process of translation to build proteins. Which of these correctly describes the role of the different types of RNA in protein synthesis? Choose ALL that apply.
A) rRNA makes up the ribosome. Eliminate B) tRNA carries amino acids to ribosome. C) tRNA carries nucleotides to the ribosome. D) mRNA copies the genetic code from DNA and carries it to the ribosome. E) mRNA code is read to determine the sequence of amino acids in the protein.
Answer:
A, B, E
Explanation:
rRNA is ribosomal RNA
tRNA is transfer/transport RNA, and it brings amino acids to the ribosomes so they can make proteins.
mRNA is messenger RNA
Hope it helps :)
Answer:
rRNA makes up the ribosome.
tRNA carries amino acids to ribosome.
mRNA copies the genetic code from DNA and carries it to the ribosome.
mRNA code is read to determine the sequence of amino acids in the protein.
Explanation:
Corvids are a large family of birds that includes many species of ravens, jays, crows, and magpies. It was recently discovered that numerous birds in this family are an important vector for the West Nile virus because infected mosquitoes may pass the virus to these birds. Not to mention other species: there are over 35 species crows across the world alone and more than 3,500 species of mosquitoes across 41 different genera. Taken together, these facts demonstrate that it is critical that global societies and scientists
Complete question:
Corvids are a large family of birds that includes many species of ravens, jays, crows, and magpies. It was recently discovered that numerous birds in this family are an important vector for the West Nile virus because infected mosquitoes may pass the virus to these birds. Not to mention other species: there are over 35 species crows across the world alone and more than 3,500 species of mosquitoes across 41 different genera. Taken together, these facts demonstrate that it is critical that global societies and scientists
A) use more detailed common names to identify species,such as the "violet crow" or the "American crow."
B) use the genus and specific epithet scientific name to identify taxa.
C) use DNA sequences when referring to a particular species.
D) track diseases like West Nile virus using remote sensing technology on birds to help predict illness spread.
E) invoke higher levels of the classification system, such as kingdom and domain, when referring to a species.
Answer:
D) track diseases like West Nile virus using remote sensing technology on birds to help predict illness spread.
Explanation:
The West Nile virus affects many animals, among which there are many bird species. Birds turn to be one of the most important ones, not only because the virus keeps on nature through the cycle mosquito-bird-mosquito, but also because they act as dispersal organisms that carry the virus through long distances.
Due to its mortality and the many organisms it affects, it becomes a need to track the affected birds by the West Nile virus to make prevention through predictions about the distribution area and the periods in which it is more feasible for the virus to attack. It is particularly interesting to apply these tracking technologies to birds. They are severely affected by the West Nile virus and might carry and spread it faster in broad areas due to migration.
Getting to know
the environmental conditions under which the virus is more active,the recognition of the local mosquito species that are dangerous in each particular area, the migration routes of involved birds, and letting people know about all the prevention measurementsare the tools that provide higher chances to avoid the fast spread of the illness.
Which of the following do NOT explain how fossils can be used to support claims of common ancestry and as evidence of evolution?
Fossils show extinct species that are no longer modern.
Transitional forms show intermediate states between ancient and modern species.
Fossils can show the original purpose of the vestigial structures in modern species.
Fossils show the similarities between modern and extinct species.
What is formed inside the nucleus, then leaves and travels to the ribosome for protein synthesis?
mRNA
rRNA
tRNA
ZRNA
Answer:
tRNA
Explanation:
have to have 20 characters
The classification of some organisms has changed. Which new process is used to reclassify organisms?
A. Organisms are now given Latin-based scientific names.
B. Structures are now examined at the molecular level.
C. Organisms are now divided into three kingdoms.
D. Structures are now used to classify organisms.
Answer:
C. Organisms are now divided into three kingdoms.
Explanation:
In the early 1860s, a German scientist named Ernst Haeckel suggested using a three kingdom system of classification. Haeckel's three kingdoms were Animalia, Plantae, and Protista.
"You are finished running the bases, you are sweating and you feel thirsty. What body systems are interacting in this case? Support you claim with evidence and explain you reasoning."
Answer:
Following are the two systems which makes you feel thirsty and sweating,
1. Nervous system makes you feel thirsty - hypothalamus play a key role in the regulation of thirst.
2. The integumentary system makes you sweat - it is an organ system consisting of the skin, hair, nails, and exocrine glands which regulates sweatig depending on the elevated temperature of the body.
What is stored energy and where is it in the food chain?
Answer:
At each level in a food chain, some energy is stored in newly made chemical structures, but most is dissipated into the environment. Continual input of energy, mostly from sunlight, keeps the process going. 3.4 Energy flows through food webs in one direction, from producers to consumers and decomposers.
What do you think would happen to the population of rabbits, if the population of foxes decreased?
Answer:
the population of rabbits might increase
Explanation:
With less predators to eat them, the rabbit population will likely go up if the fox population decreases; assuming there are favorable factors such as plenty of food and habitat for the rabbits. At some point, there is a maximum limit to the number of rabbits that a certain location can hold. Once this limit is reached, (some of) the rabbits will migrate elsewhere or unfortunately die off.
As the rabbit population increases, the fox population may rebound and start increasing again. This is due to more food being available to the smaller amount of foxes, and there is less competition for food. So the rebounding fox population will likely bring down the rabbit population to a point where food will get more scarce for the foxes. This cycle repeats itself where one population increases while the other decreases, and vice versa. They are very strongly linked together. It's also possible that both will increase together if environmental factors are favorable, but they could easily decrease together if a habitat is being destroyed for instance. It will depend on the circumstance.
If a dolphin has 44 chromosomes in its body cells, how many chromosomes will it have in an egg cell?
Answer:
The karyotype of the bottlenosed dolphin and the pilot whale have been described and compared from a karyological evolutionary point of view. Both species have 44 chromosomes and the two chromosome complements are strikingly similar.
Explanation:
question reply thank you
Where is the question!?
Before genetic engineering, insulin for diabetics was extracted from the pancreases of slaughtered animals. This was good because it gave diabetics the insulin they needed to maintain their blood sugar levels.
Can you think of any disadvantages of this practice?
This is due today and I really need help
Answer:
There is a chance that the person receiving that insulin will get a bad immune response, and there is a possibility that the animal might have a disease or infectious organisms, that their insulin might contain, and putting it inside a human might transmit that disease.
Explanation:
Which of the following is true about Amoeba? Select all that apply.
They are heterotrophic organisms
They have structures called pskudopods which help them move through water
They are unicellular organisms
They are autotrophic organisms
They are multicellular organisms
They have structures called cilia which help them move through water
Select ALL that apply:
They have structures called pseudopods which help them move through water,They are unicellular organisms,They are heterotrophic organisms.
List five of the other subject areas involved in the study of ecology
Answer:
1. Organisms
2. Populations
3. Communities
4. Ecosystems
5. Biomes
Explanation:
2. Is the following sentence true or false? As a cell increases in size, it usually makes extra copies
of its DNA.
Answer:
false
Explanation:
What paths do hurricanes follow?
a.) cold deep currents
b.) warm deep currents
c.) cold surface currents
d.) warm surface currents
NEED ASAP
Answer:
Warm surface currents
Explanation:
The path of a hurricane greatly depends upon the wind belt in which it is located. Hurricanes draw their energy from the warm surface water of the tropics, which explains why hurricanes dissipate rapidly once they move over cold water or large landmasses.
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What determines the kind of genes an organism possesses?
1.
type of amino acids in the cells of the organism
2.
sequence of the subunits A, T, C, and G in the DNA of the organism
3.
size of simple sugar molecules in the organs of the organism
4.
shape of the protein molecules in the organelles of the organism
Su
Answer:
2.) sequence of the subunits in the base sequence of the DNA