What is the function of the leaves of a plant? A: to absorb food

B: to absorb light

C: to produce seeds

D:to produce flowers

How does the nervous system affect the excretory system?

Which direction does the energy flow in this energy pyramid ?

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.