19.4 predation

Question 1

what is a predator?

Answer 1

organisms that feeds on another organism

Question 2

what is prey?

Answer 2

organisms that get eaten by other organisms

Question 3

what is predation?

Answer 3

the consumption of organisms

Question 4

explain why a predator population often exterminates its prey population in a laboratory but rarely does so in natural habitats

Answer 4

• range and variety of laboratory habitats is much smaller than in natural ones
• less hiding spaces and places to escape the predator and survive

Question 5

explain how a fall in the population of a predator can lead to a rise in its prey population

Answer 5

• fewer predators means fewer prey are eaten
• death rate of prey is reduced
• population size increases