5.1
5.2
5.3
100

Ecosystem diversity, Species diversity, and Genetic diversity are

three types of biodiversity

100

A model representing the many interconnected food chains and pathways in which energy and matter flow through a group of organisms is

food web

100

Type classes of natural resources 

renewable & nonrenewable resources

200

Loss of an entire species in a food web 

Extinction

200

The gradual process of species becoming extinct is known as 

Background extinction

200

Using resources at a rate in which they can be replaced or recycled while preserving the long-term environmental health of the biosphere is

Sustainable use

300

A functional unit that controls the expression of inherited traits and is passed from generation to generation

Gene

300

An event in which a large percentage of all living species become extinct in a relatively short period of time is

Mass extinction

300

_____________ was designed to protect legally the species that were becoming extinct or in danger of becoming extinct.

Endangered Species Act

400

The variety of ecosystems that are present in the biosphere is 

ecosystem diversity

400

All materials and organisms found in the biosphere, including minerals, fossil fuel, nuclear fuels, plants, animals, soil, clean water, clean air, and solar energy are 

Natural resources

400

The United States' first national park...

Yellowstone National Parkl

500

The number of different species and the relationship abundance of each species in a biological community is 

Species Diversity

500

Different environmental conditions that occur along the boundaries of an ecosystem is 

Edge effects

500

Conservation ecologists also are focusing on improving the survival of biodiversity by providing corridors, or passageways, between ____________

Habitat fragments