I don't know the answers to these two questions. Could someone please help me?

Here is the diagram:

h t t p: // tinypic. c o m /r/ng92ds/3

(take spaces out of link)

1. The greatest biomass and energy isrepresented by which organisms?

a. grass and bacteria and mold
b. tadpole and bacteria and mold
c. grass and algae
d. tadpole and raccoon
e. grasshopper and snake

2. The animal that must eat most frequently to meet its energy needs is
a. raccoon
b. frog
c. snake
d. worm
e. grasshopper

algae and bacteria and mold