trophic levels Flashcards
1
Q
describe each level
A
level 1: producers, plants and algae make their own food
level 2: primary consumers, herbivores eat plants/algae
level 3: secondary consumers carnivores that eat herbivores
level 4: tertiary consumers, carnivores that eat other carnivores
level 5: apex predators, carnivores with no predators
2
Q
what are trophic levels?
A
stages of a food chain
3
Q
why are decomposers important?
A
-decompose any dead plant or animal material left in an environment
-by secreting enzymes that break dead stuff down into small soluble food molecules
-these then diffuse into microorganisms