Food Chains And Food Webs

Question 0

Organisms can be divided into 3 groups according to how they obtain their energy and nutrients. What are they?

Answer 0

Producers, consumers and decomposers

Question 1

What is the ultimate source of energy for organisms in an ecosystem?

Answer 1

Sunlight

Question 2

What are producers?

Answer 2

Photosynthetic organisms that manufacture organic substances using light energy, carbon dioxide and water

Question 3

What are consumers?

Answer 3

Organisms that obtain their energy by feeding on other organisms rather than directly using the energy from sunlight

Question 4

What are primary consumers?

Answer 4

Organisms that directly eat producers

Question 5

What are secondary consumers?

Answer 5

Animals that eat primary consumers

Question 6

What are tertiary consumers?

Answer 6

Animals that eat secondary consumers

Question 7

What is the role of decomposers?

Answer 7

They break down complex molecules from dead organisms into valuable minerals and elements into a form that can absorbed by plants

Question 8

Define food chain

Answer 8

A feeding relationship in which the producers are eaten by primary consumers and the tertiary consumers are eaten by secondary consumers

Question 9

What is each stage in a food chain referred to as?

Answer 9

Trophic levels

Question 10

What is a network of interconnecting food chains known as?

Answer 10

Food web