Biodiversity Test

Question 1

A — shaped curve describes the tendency of a population to grow w/out limit to its size

Answer 1

J

Question 2

Drought is an example of a density- —– factor

Answer 2

Independent

Question 3

Disease is an example of a density- —- factor

Answer 3

Dependent

Question 4

A — shaped curve describes the tendency of a populations growth rate to slow or stop as resources become less available

Answer 4

S

Question 5

How do you calculate the Population Growth Rate

Answer 5

Birth rate-death rate=PGR

Question 6

What is the difference between renewable and no renewable resources

Answer 6

Renewable- can reginerate

No renewable- cannot reginerate

Question 7

What effect does deforestation have on forest resources

Answer 7

Leads to severe soil erosion, remove habitats

Question 8

What human activities have affected our water and ocean resources

Answer 8

Pollution, landfills, improperly discarded chemicals, overfishing, oil spills, runoff, sewage

Question 9

What human activities have led to desertification

Answer 9

Overgrazing and farming combined with dry climates lead to desertification

Question 10

What are some efforts taken by humans to reduce air pollution and acid rain

Answer 10

Emission control standards, clean-air regulations, electric cars

Question 11

Humans use resources without harming ecosystem

Answer 11

Sustainable use

Question 12

Total of all the variety of organisms in a specific area

Answer 12

Biodiversity

Question 13

Protected strips of land to allow organism to move freely

Answer 13

Habitat corridors

Question 14

Land development separates ecosystems into pieces

Answer 14

Habitat fragmentation

Question 15

Species introduced to new habitats without natural predators

Answer 15

Invasive species

Question 16

Breed and raise endangered species in protected habitats

Answer 16

Reintroduction program

Question 17

Species disappears from its natural range

Answer 17

Extinction

Question 18

Damage to habitats by air, water, or land pollution

Answer 18

Habitat degradation

Question 19

The number of organisms a population can support over an indefinite period of time is called its —– capacityy

Answer 19

Carrying

Question 20

Group of organisms of the same species that live in the same area

Answer 20

Population

Question 21

Number of individuals per unit area

Answer 21

Population density

Question 22

Occurs when individuals of population reproduce at constant rate

Answer 22

Exponential growth

Question 23

As resources become less available the population growth rate slows or stops

Answer 23

Logistics growth

Question 24

The number of organisms of one species that can be supported in an environment

Answer 24

Carrying capacity

Question 25

Study of info about human populations

Answer 25

Demography

Question 26

Refers to the number of people of each different age level

Answer 26

Age structure

Question 27

Resources that can regenerate if they are alive, or can be replaced by biogeochemical cycles of they are nonliving

Answer 27

Renewable resources

Question 28

Resources that cannot be replenished by natural processes

Answer 28

Nonrenewable resources

Question 29

A way of using natural resources without depleting them or causing long term environmental harm

Answer 29

Sustainable development

Question 30

Biodiversity

Answer 30

The total of all the variety of organisms in a specific area