Understanding Apex Predators and Their Role in Ecosystems

Which of the following is NOT an example of an apex predator mentioned in the video?

• Elephant

• Lion

• Grizzly bear

• Orca

How do apex predators contribute to the stability of ecosystems?

• By increasing the number of herbivores

• By eliminating all small carnivores

• By keeping prey populations in check

• By reducing plant diversity

What is a key indicator of a healthy coral reef ecosystem?

• High number of herbivores

• Presence of sharks

• Absence of predators

• Overpopulation of small fish

What happened to the Yellowstone ecosystem when wolves were removed?

• The beaver population decreased

• The willow population increased

• The elk population decreased

• The ecosystem became more balanced

What is the effect of removing a top predator like a hawk from a food chain?

• The snake population decreases

• The grass population decreases

• The mouse population increases

• The snake population increases