Which of these food chains is NOT possible in a forest?
Diatom → fly → toad → snake
Fly → toad → snake→ hawk
Leaves → antelope → man → lion
Leaves → caterpillar → bird → lion
Leaves →goat → man→ lion
Correct answer is A
Diatoms are an important source of these energy rich molecules that are food for the entire food web, from zooplankton to aquatic insects to fish to whales.