Chapter 10 Key Terms

Question 1

Biodiversity

Answer 1

The variety of organisms in a given area, the genetic variation within a population.

Question 2

Gene

Answer 2

A segment of DNA that is located in the chromosome and that codes for a specific hereditary trait.

Question 3

Keystone Species

Answer 3

A species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community.

Question 4

Ecotourism

Answer 4

A form of tourism that supports the conservation and sustainable development of ecologically unique areas.

Question 5

Endangered Species

Answer 5

A species that has been identified to be in danger of extinction throughout all or a significant part of its range, and that is thus under protection by regulations or conservation measures.

Question 6

Threatened Species

Answer 6

A species that has been identified to be likely to become endangered in foreseeable future.

Question 7

Exotic Species

Answer 7

A species that is not native to a particular region.

Question 8

Poaching

Answer 8

The illegal harvesting of fish, game, or other species

Question 9

Endemic Species

Answer 9

A species that is native to a particular place and that is found only there.

Question 10

Germ Plasm

Answer 10

Hereditary material(chromosomes and genes) that is usually contained in the protoplasm of germ cells.

Question 11

Endangered Species Act

Answer 11

An act that the U.S. Congress passed in 1973 to protect any plant or animal species in danger of extinction.

Question 12

Habitat Conservation Plan

Answer 12

A land-use plan that attempts to protect threatened or endangered species across a given area by allowing some tradeoffs between harm to the species and additional conservation commitments among cooperating parties.

Question 13

Biodiversity Treaty

Answer 13

An international agreement aimed at strengthening national control and preservation of biological resources.