Question 1

What are autotrophs/producers?

Accepted Answer

Organisms that can create their own food using photosynthesis

(first trophic level)

Question 2

What are consumers/heterotrophs?

Accepted Answer

Organisms that can't produce their own food and must eat others to survive

Question 3

What are primary consumers?

Accepted Answer

Consumers that eat producers

(second trophic level; e.g., cows)

Question 4

What are secondary consumers?

Accepted Answer

Organisms that eat primary consumers

(third trophic level)

Question 5

What are tertiary consumers?

Accepted Answer

Consumers that eat secondary consumers

(fourth trophic level)

Question 6

What are the five trophic levels?

Accepted Answer

Producers

Primary Consumers

Secondary Consumers

Tertiary Consumers

Apex Predators

Question 7

What are decomposers?

Accepted Answer

Organisms that obtain nutrients by decomposing organic material

(many bacteria and fungi are decomposers)

Question 8

What are detrivores?

Accepted Answer

A type of decomposer that eats dead organisms and waste to decompose it

(normal decomposers don't necessarily eat waste)

Question 9

What are trophic levels?

Accepted Answer

A hierarchical level in an ecosystem that contains organisms that share the same function in the food chain

(see the five levels)

1.9 Trophic Levels, AP Environmental Science Flashcards