Ch. 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 a 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

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

Question 6

Threatened species

Answer 6

A species that has been identified to be likely to become endangered in the 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; associated with the UN Conference on Environment and Development in 1992