Ecosystem diversity, Species diversity, and Genetic diversity are
three types of biodiversity
A model representing the many interconnected food chains and pathways in which energy and matter flow through a group of organisms is
food web
Type classes of natural resources
renewable & nonrenewable resources
Loss of an entire species in a food web
Extinction
The gradual process of species becoming extinct is known as
Background extinction
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
A functional unit that controls the expression of inherited traits and is passed from generation to generation
Gene
An event in which a large percentage of all living species become extinct in a relatively short period of time is
Mass extinction
_____________ was designed to protect legally the species that were becoming extinct or in danger of becoming extinct.
Endangered Species Act
The variety of ecosystems that are present in the biosphere is
ecosystem diversity
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
The United States' first national park...
Yellowstone National Parkl
The number of different species and the relationship abundance of each species in a biological community is
Species Diversity
Different environmental conditions that occur along the boundaries of an ecosystem is
Edge effects
Conservation ecologists also are focusing on improving the survival of biodiversity by providing corridors, or passageways, between ____________
Habitat fragments