A trophic level is

A.) the basic unit of energy in an organism

B.) the level of energy in a food chain

C.) the level directly above the consumer level

D.) the highest level in the food chain

What's the difference between absorption and digestion?

After erection, semen release is a two-step process. Which process mixes the fluid components of the semen, via coordination of peristaltic contractions in several male reproductive structures?

Which of the following is an example of homologous structures? A. Whale hip bones. B. Embryos of fish and birds both make gill slits. C. Mice and chicken differ by only 25 amino acids when they make hemoglobin protein. D.

You are studying an individual with very low levels of insulin in her blood. Further analysis indicates that cells of her pancreas are producing normal levels of this protein, but it is accumulating in the cytoplasm rather than being secreted from

What is the biggest bone in your body

How would you expect the spread of an airborne disease to be similar to and different from the spread of a foodborne disease

The kidneys filter 2of blood every hour

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. The (circulatory, digestive, excretory) works to break down food eaten before exercising.

Which neurologic manifestation should the nurse anticipate for a toddler-age client exposed to high doses of lead?

What are facts about embryonic stem cell research?