5.9C Environmental Changes (2)

Overhunting of animals that prey on birds

Observation of birds by scientist

Introduction of a new type of insect

Clearing of forests to build a highway

Animals of the ecosystem will thrive

Habitats on both sides of the road will be damaged by flooding

Plants will stop growing in the cleared ground

Populations of predators will increase in this region.

humans

machines

animals

being more energy-efficient

using renewable sources of energy

removing carbon from fossil fuel emissions

all of the above

humans can improve an ecosystem by removing predators.

humans can upset an ecosystem by removing species.

reducing the shark population increases the quantity of scallops that can be taken.

sharks are not important for the stability of the ecosystem.

Certain producer organisms would become more abundant in the area.

Other manatees would move into the area and restore balance.

Predators in the area would have more food to eat.

The area would not be affected.