B16

Question 1

Define the term predator?

Answer 1

Consumers that kill and eat on organisms

Question 2

Define the term prey?

Answer 2

Consumers that are eaten by organisms

Question 3

What are producers?

Answer 3

Producers are organisms that can produce biomass(organic material) for themselves. Most producers do this using photosynthesis.

Question 4

What are consumers?

Answer 4

Consumers eat organisms that have to consume other organisms

Question 5

Why must material in the living world be recycled?

Answer 5

Material in the living world is recycled to provide building blocks for future organisms

Question 6

What chemical elements are recycled when animals and plants decay?

Answer 6

Decay of dead animals and plants by microorganisms returns carbon dioxide and mineral ions to the soil

Question 7

Who uses carbon dioxide in the atmosphere and what for?

Answer 7

Carbon dioxide in the atmosphere is used by plants in photosynthesis

Question 8

Why is the water cycle important?

Answer 8

The water cycle provides fresh water for plants and animals on land before draining into the seas. Water is continuously evaporated,condensed,and precipitated