Look at the food web shown above. Which of the organisms act as consumers in this ecosystem?

A. mice

B. bees

C. black bears

D. all of these

Would an animal with a slow metabolism or a fast metabolism need to eat more often

Which is the primary function of the carbon cycle

Suppose there are 500 units of energy available for the producer level of energy pyramid approximately how many units are in it are available in the first level consumer

How does the system of classification relate to the diversity of species?

What happen to our country if the population will continue to increase five years from now?

Briefly describe the basic characteristics that all living things on earth have in common

You discover a new cellular protein and find that there are hydrophobic amino acids scattered all along the surface of the folded protein.

How does the filtration membrane prevent certain substances from entering the filtrate?

What important function does the control of body temperature serve in chordates?

Match the chemical signal with the appropriate description. a. chemicals produced by neurons that function as hormones b. chemicals that act locally on nearby cells c. chemical secreted by presynaptic terminal d.