Chapter 6- Humans In The Biosphere

Question 1

Agriculture

Answer 1

The practice of farming

Question 2

Monoculture

Answer 2

Where large fields are planted with the same crops year after year

Question 3

Green revolution

Answer 3

Effort to increase food production

With monoculture and chemical fertilizers

Question 4

Renewable resources

Answer 4

Can regenerate
If it’s alive
If it goes through biochemical cycles

Question 5

Nonrenewable resources

Answer 5

One that cannot be replenished by natural processes

Question 6

Sustainable development

Answer 6

A way of using natural resources without depleting them and of providing for human needs without causing long-term harm

Question 7

Soil erosion

Answer 7

The wearing away of surface soil by water and wind

Question 8

Desertification

Answer 8

Turns once productive areas into desert

Dry climate + farming + overgrazing + drought

Question 9

Deforestation

Answer 9

Loss of forests

Question 10

Aquaculture

Answer 10

The raising of aquatic animals for human consumption

Question 11

Smog

Answer 11

A mixture of chemicals that occurs as a grey-brown haze in the atmosphere

Question 12

Pollutant

Answer 12

Harmful material that can enter the biosphere through the land, water, or air.

Question 13

Acid rain

Answer 13

Combustion processes cause Nitrogen and Sulfur compounds

They combine with water vapor and rain

Question 14

Biodiversity

Answer 14

Sum total of the genetically based variety of all organisms in the biodphere

Question 15

Ecosystem diversity

Answer 15

Includes the variety of habitats, communities, and ecological processes in the living world

Question 16

Species diversity

Answer 16

Refers to the number of different species in the biosphere

Question 17

Genetic diversity

Answer 17

Sum total of all the different forms of genetic information carried by all living organisms living in earth today

Question 18

Extinction

Answer 18

Occurs when a species disappears from all or part of its range

Question 19

Endangered species

Answer 19

A species whose population size is declining in a way that places it in danger of extinction

Question 20

Habitat fragmentation

Answer 20

When development splits ecosystems into pieces

Question 21

Biological magnification

Answer 21

Concentrations of a harmful substances increase in organisms at higher levels in a food chain or food web

Question 22

Invasive species

Answer 22

Species that reproduce rapidly in a foreign area where they don’t have the same diseases as they do at “home”.
Mussels

Question 23

Conservation

Answer 23

The wise management of natural resources including the preservation of habitats and wildlife

Question 24

Ozone layer

Answer 24

20-50 km above earth, atmosphere contains a relatively high concentration of ozone gases

Question 25

Global warming

Answer 25

Increase in the average temperature of the biosphere