Population growth and Regulation

Question 0

Population

Answer 0

All organisms of the same species in a particular area

Question 1

Ecology

Answer 1

The study of the interactions of organisms with each other and with the physical environment

Question 2

Community

Answer 2

All various populations in a particular area.

Question 3

Ecosystem

Answer 3

A community of populations, as well as the nonliving environment.

Question 4

Biosphere

Answer 4

The portion of the entire Earth’s surface- air, water, land- where living things exist.

Question 5

Ecological succession

Answer 5

A change in community composition over time.

Question 6

Primary succession

Answer 6

Occurs in areas without soil

Question 7

Secondary succession

Answer 7

Occurs when soil is available

Question 8

Pioneer species

Answer 8

The first species to come in and colonize in secondary succession.
Ex: weeds, grasses

Question 9

Climax community

Answer 9

A community with a particular geographical area

Question 10

Biotic potential

Answer 10

Highest rate of per capita increase.
It measures how fast a population can grow.

Depends on:
no. of offspring per reproduction
Chances of offspring surviving until reproduction
How often each individual reproduces 
Age at which reproduction begins

Question 11

Exponential growth

Answer 11

Accelerated growth of an organism