When the arteriovenous anastomoses are constricted by sympathetic nerve fibers, the superficial capillary loops are

a. engorged with blood.

b. collapsed.

c. by passed.

d. not affected?

The condition of albinism is caused by the lack of pigmentation in an animal. Which of the following could be a possible explanation for this rare condition? Select all that may apply.

At which level of the food pyramid is the smallest percentage of total stored energy found?

What types of changes in a habitat would cause a population to decrease? question 4 options: loss of food changes in weather more predators than prey change in the availability of water. all of the above?

If you are using a screwdriver to pry open a paint can, you are using what type of simple machine? Question 1 options: pulley lever screw wheel and axle What is done whenever a force moves an object through a distance?

A type i, high velocity open right femur shaft fracture was incurred when a 15 year-old female pedestrian was hit by a car while crossing the two-lane highway.

Above 38oC and below 0oC the rate of photosynthesis decreases. Propose a hypothesis to explain why this occurs.

Corn kernels have an outer endosperm and an inner endosperm. A purple outer endosperm is dominant to a colorless (clear) outer endosperm. A yellow inner endosperm is dominant to a white inner endosperm.

What are mitochondria and how do they function?

What is the blood type of the unknown parent

What membrane do gases move most efficiently on