CHAPTER 5 BIOLOGY

Question 1

Gradual process of a species becoming extinct

Answer 1

Background extinction

Question 2

A large scale dying out of a large percentage of all living organisms in an area within a short time

Answer 2

Mass extinction

Question 3

Any material or organism in the biosphere, including water, soil, fuel, and plants and animals

Answer 3

Natural Resources

Question 4

Overuse of species within an economic value, a factor in species extinction

Answer 4

Overexploration

Question 5

Habitat loss from separation of an ecosystem into small pieces of land

Answer 5

Habitat fragmentation

Question 6

Any different environmental condition occurring a long and ecosystem boundaries

Answer 6

Edge effects

Question 7

Increasing concentration of toxic substances, such as DDT and organisms as trophic levels increase in food, chains or food webs

Answer 7

Biological magnification

Question 8

Water pollution from nitrogen rich to phosphorus, rich substances flowing into waterways, causing Algal overgrowth

Answer 8

Eutrophication

Question 9

Non-native species deliberately are accidentally introduced into a new habitat

Answer 9

Introduced species

Question 10

Any resource replaced by natural process more quickly than it is consumed

Answer 10

Renewable Resource

Question 11

Any natural resources available in limited amounts or replaced extremely slowly by natural process

Answer 11

Nonrenewable resource

Question 12

Use of resources at a rate that they can be replaced or recycled

Answer 12

Sustainable use

Question 13

Found only in one specific geographic

Answer 13

Endemic

Question 14

Technique using living organisms to detoxify a polluted area

Answer 14

Bioremediation

Question 15

Technique of adding essential materials to a degraded system

Answer 15

Biological augmentation

Question 16

The disappearance of a species when the last of its members dies

Answer 16

Extinction

Question 17

Number of different species living in a specific area

Answer 17

Biodiversity

Question 18

Variety of inheritable characteristics or genes in an inner breeding population

Answer 18

Genetic diversity

Question 19

In a biological community, the number and abundance of different species

Answer 19

Species diversity

Question 20

Variety of ecosystems in the biosphere

Answer 20

Ecosystem diversity