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Rom4ik [11]
3 years ago
14

When a population is split into smaller groups, why do these groups develop

Biology
1 answer:
KATRIN_1 [288]3 years ago
5 0

Answer: A. Evolutionary mechanisms work the two subgroups  independently.

Explanation:

Speciation can be defined as the process by which new species develop from the pre-existing species. It occurs when the members of the same species get separated. The separated members become reproductively isolated and diverge.

The speciation of two separated members will take place individually due to the development of new traits according to the need of new habitat and other survival conditions. Thus evolutionary mechanism will work independently for  the two subgroups.

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Describe one niche in the ecosystem.
DIA [1.3K]

Answer:

Niche can be described as the role or position that a particular organism has in its ecosystem.

For example, honeybees which will gather nectar from flowers to make honey is an example of a niche. The particular role of honeybees in an ecosystem is to collect nectar in that ecosystem from different flowers and to produce honey. Other organisms living in the same environment will not perform the same function in the ecosystem.

3 0
3 years ago
Describe, and account for the different levels of protein structure. How can proteins serve functions that are so diverse?
Gwar [14]

Answer:

there are four types of protein structure;

  • primary
  • secondary
  • tertiary
  • quatenary

Explanation:

A protein is a very large biological molecule composed of a chain of smaller molecules called amino acids. Thousands of different proteins are present in a cell, the synthesis of each type of protein being directed by a different gene.

Determining the process by which proteins fold into particular shapes, characteristic of their amino acid sequence, is commonly called "the protein folding problem", an area of study at the forefront of computational biology. One approach to studying the protein folding process is the application of statistical mechanics techniques and molecular dynamics simulations to the study of protein folding. Protein folding enables them to perform different diverse functions.

Protein have a three-dimensional structure that enables them to perform diverse functions like transsport,structural support as building blocks and metabolic regulators as enzymes and hormones.

5 0
3 years ago
In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cel
LuckyWell [14K]

Answer:

As a transcription factor

Explanation:

Testosterone is a male sex hormone secreted by the testicles which promote the growth of the male reproductive organs and the male characters like muscle buildup.

The hormone shows the paracrine effect and thus act on the target cell at distant. The mechanism of action of the testosterone is that it controls the gene expression of various other genes.

The testosterone binds the specific proteins which activate the expression of the gene that is they acts as a transcription factor which activates the expression.  

Thus, as a transcription factor is correct.

4 0
3 years ago
State the major components of the human respiratory system.​
Lelechka [254]

Answer:

They are 3 in numbers

Explanation:

which are the airway, the lungs, and the muscles of respiration

3 0
3 years ago
Read 2 more answers
2. What is the lens that usually magnifies the object more than the scanner lens, but less than the high power lens (usually 10x
Andrei [34K]

Answer:

High Power lens

Explanation:

8 0
3 years ago
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