Answer:
The correct answer is - B. It introduces new alleles into a population.
Explanation:
Gebe flow or migration is the transfer of the genetic material or transfer of genes from one population to another population of the same species. Gene flow is also responsible for the genetic change that leads to evolution.
Gene flow can contribute in various ways such as migration or vertical gene transfer parent to progeny, however, it can lead to evolution directly by introducing new alleles into a population.
Answer: the correct answer is E. Snakes, a major predator of young prairie voles, are active only from spring through early autumn.
Explanation:
Mortality among young voles from spring to early fall is high because snakes are active during this time.
Because gravity pulls towards the center of the earth evenly in all directions, giving earth a spherical shape.
If someone had an inadequate intake of sodium over several days, it would be most difficult for the body to maintain homeostasis.
<h3>Why is sodium important for homeostasis? </h3>
Most of the sodium in our body is present in the extracellular fluid (ECF). The concentration of sodium in the body is measured relative to the amount of water in the body.
Maintaining proper sodium concentration is therefore essential for maintaining water balance in the body. It also helps in the proper functioning of neurons by assisting in the conduction of impulses.
Sodium concentration is also important for muscle contraction. Proper sodium concentration maintains osmolality of the extracellular fluid which maintains the volume of blood and plasma in the body.
Therefore, an inadequate intake of sodium, over several days will affect the homeostasis of the body.
Read more about homeostasis, here
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