Prey

In a healthy ecosystem, predator and prey species maintain a balance. Predation helps control prey populations, ensuring sustainability. Some prey species, like Pacific salmon, also act as predators, feeding on krill and small fish.

What role does predation play in a healthy ecosystem?

• It disrupts the balance of species.

• It leads to the extinction of prey species.

• It helps maintain a sustainable number of prey.

• It has no significant impact.

How can prey species also be predators?

• By migrating to different areas.

• By avoiding predators.

• By hunting other animals.

• By consuming plants.

Which of the following is an example of a prey species that is also a predator?

• Pacific salmon

• Deer

• Rabbits

• Elephants

What do Pacific salmon prey on?

• Bears

• Krill and small fish

• Large mammals

• Birds

Which small fish are mentioned as prey for Pacific salmon?

• Sharks

• Herring

• Goldfish

• Tuna