Carrying Capacity Lesson

Balance in Ecosystems & Limiting Factors

pages 96-97

Multiple Select

What is the niche of a frog in a wetlands habitat?

• to keep the trees healthy

• to eat the insects

• to be food for the herons

• to make croaking sounds

Multiple Select

What would happen if the number of frogs decreased in the wetlands?

• the number of herons would increase

• the number of herons would decrease

• the number of insects would increase

• the number of insects would decrease

Multiple Choice

TRUE OR FALSE: If one plant or animal disappears from a habitat it will disrupt the balance.

• true

• false

Multiple Choice

TRUE OR FALSE: When the population of a plant or animal exceeds its carrying capacity, overcrowding occurs.

• true

• false

Multiple Select

What might cause a population to grow?

• plenty of food

• few diseases

• lots of predators

Multiple Select

What might happen as a result of overcrowding?

• a population grows

• food sources run out

• organisms may die

• organisms must move to another area