Science Fusion Unit 5 Review

People try to restore habitats and repair damaged ecosystems by replanting trees and cleaning up pollution.

Extinction happens when all the members of a certain species are endangered.

Pollution is the contamination of air, water or soil by substances harmful to organisms.

Protecting ecosystems and the organisms living in them is called conservation.

Primary succession occurs where an ecosystem has been disturbed, but soil is still present.

Carrotwood is a fast-growing landscape tree. It crowds out native plants and competes for light and other resources. Which term describes the carrotwood species?

The kudzu vine eventually kills other plants it covers because it blocks out sunlight. Kudzu has been reported to grow roughly 1 ft per day. What can you conclude from this information?

Environmental changes happen all the time. For example, the figure below shows a sign that you might see while riding along a road in many places. What can you conclude about environmental changes after seeing this sign?

Which describes the biotic part of the ecosystem?