Trophic Levels

Question 1

What are trophic levels?

Answer 1

Different stages of a food chain, consisting of organisms that perform specific roles

Question 2

How are trophic levels numbered?

Answer 2

Using numbers based on their location in the food chain

Question 3

What is trophic level 1 known for?

Answer 3

Contains producers

Question 4

What organisms are considered producers?

Answer 4

Plants and algae

Question 5

Why are they called producers?

Answer 5

Because they make their own food by photosynthesis using energy from the Sun

Question 6

What organisms are found in trophic level 2?

Answer 6

Primary consumers

Question 7

What are primary consumers?

Answer 7

Herbivores that eat plants and algae

Question 8

What organisms belong to trophic level 3?

Answer 8

Secondary consumers

Question 9

What are secondary consumers?

Answer 9

Carnivores that eat primary consumers

Question 10

What is trophic level 4 known for?

Answer 10

Contains tertiary consumers

Question 11

What are tertiary consumers?

Answer 11

Carnivores that eat other carnivores (secondary consumers)

Question 12

Can there be more than four trophic levels in a food chain?

Answer 12

Yes, but there are typically only four

Question 13

What are apex predators?

Answer 13

Carnivores that have no predators and are always at the highest trophic level

Question 14

What role do decomposers play in ecosystems?

Answer 14

They decompose dead plant or animal material

Question 15

What types of organisms are decomposers?

Answer 15

Bacteria and fungi

Question 16

How do decomposers break down dead material?

Answer 16

By secreting enzymes that break it down into small soluble food molecules

Question 17

What do decomposers release into the environment?

Answer 17

Nutrients

Question 18

Fill in the blank: Trophic level 1 contains _______.

Answer 18

Producers

Question 19

Fill in the blank: Herbivores that eat plants and algae are known as _______.

Answer 19

Primary consumers

Question 20

Fill in the blank: Carnivores that eat primary consumers are called _______.

Answer 20

Secondary consumers

Question 21

True or False: Trophic levels are named after their role in the food chain.

Answer 21

False