If you do not have an adequate level of fat in your body, you might have trouble producing

A) hormones
B) nerve insulation
C) cell membranes
D) all of these

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

In which state was more than 100 billion tons of coal mined in 2005?

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome