The answer is the Precapillary sphincter
<span>This shows that, in most species, a characteristic is controlled by a suite of genes instead of having only one gene doing all the work. Polygenic traits are much more common than monogenic, which leads to an entire range of outcomes being possible, instead of having an either-or outcome.</span>
A type of growth that a population may show when food and habitat are limitless is exponential population growth.
<h3>What is exponential population growth?</h3>
The case in which resources are limitless a population can experience exponential population growth where the size increases at a greater rate.
Exponential growth occurs when there is large quantity of resources are present and few individuals are there to utilize it
When number of individuals increases the resources will depleted and growth rate will slow down.
Therefore, exponential population growth is the type of growth in which resources are plenty in comparison of population.
Learn more about exponential population growth here:brainly.com/question/14290652
#SPJ4
The answer is B. Think of it this way. You always give insulin with a meal cause they need to raise their blood sugar. Glucagon is given when the blood sugar is too high and needs to come down.
I believe the answer to your question is c