biology

Question 1

Community

Answer 1

A group of interacting populations that occupy the same area at the same time

Question 2

Ecological Succession

Answer 2

When one community replaces another as a result of changing abiotic and biotic factors

Question 3

Primary Succession

Answer 3

The establishment of a community in an area of exposed rock that does not have any topsoil

Question 4

Climax Community

Answer 4

The stable, mature community that results when there is little change in the composition of species

Question 5

Secondary Succession

Answer 5

The orderly and predictable change that takes place after a community of organisms has been removed but the soil has remained intact

Question 6

Weather

Answer 6

The condition of the atmosphere at a specific place and time (short term)

Question 7

Climate

Answer 7

The average weather conditions in an area, including temperature and precipitation

Question 8

Population Density

Answer 8

The number of organisms per unit area

Question 9

Dispersion

Answer 9

The pattern of spacing of a population in an area

Question 10

Density-Independent Factor

Answer 10

Any factor in the environment that does not depend on population density

Question 11

Density-Dependent Factor

Answer 11

Any factor that depends on population density

Question 12

Emigration

Answer 12

The number of individuals moving away from a population

Question 13

Immigration

Answer 13

The number of individuals moving into a population

Question 14

Carrying Capacity

Answer 14

The max number of individuals in a species that an environment can support long term

Question 15

What Kind of Growth is J Shaped?

Answer 15

Exponential Growth

Question 16

What Kind of Growth is S Shaped?

Answer 16

Logistic Growth

Question 17

Biodiversity

Answer 17

The variety of life in an area that is determined by the number of different species in that area

Question 18

Extinction

Answer 18

When entire species permanently disappear from the biosphere

Question 19

Background Extinction

Answer 19

The gradual process of a species becoming extinct

Question 20

Mass Extinction

Answer 20

An event in which a large percent of all living species become extinct in a relatively short period of time

Question 21

Natural Resources

Answer 21

All materials and organism found in the biosphere

Question 22

Overexploitation

Answer 22

Excessive use of species that have economic value

Question 23

Habitat Fragmentation

Answer 23

The separation of an ecosystem into small pieces of land

Question 24

Biological Magnification

Answer 24

The increasing concentration of toxic substances in organisms as trophic levels increase in a food chain or web

Question 25

Eutrophication

Answer 25

When fertilizers, animal waste, sewage, or other substance rich in nitrogen and phosphorus flow into waterways, causing extensive algae growth

Question 26

Invasive Species

Answer 26

A non-native species that causes harm to native species

Question 27

Renewable Resources

Answer 27

Resources that are replaces by natural processes faster than they are consumed

Question 28

Nonrenewable Resources

Answer 28

Resources that are replaces by natural processes more slowly than they are consumed

Question 29

Sustainable Use

Answer 29

Using resources at a rate in which they can be replaces or recycled while preserving the long-term environmental health of the biosphere

Question 30

Bioremediation

Answer 30

The use of living organisms to remove toxins from a polluted area

Question 31

Primary Ecological Succession Occurs When..

Answer 31

A new habitat is formed with no previous life

Question 32

What’s an example of a density-independent factor affecting a population?

Answer 32

Severe weather events

Question 33

Competition for limited resources among individuals of a population is an example of a what?

Answer 33

Density-dependent factor

Question 34

Why is biodiversity important for ecosystems?

Answer 34

It enhances ecosystem stability and resilience