Ch 21 Vocab Test

The parts of the Earth and the surrounding atmosphere where there is life including all the land of the continents and islands, and all of Earth's oceans, lakes, streams, as well as the ice caps at the North and South pole.

• population

• biosphere

• community

• ecosystem

a group of organisms that lives in an area at one time, as well as the climate, soil, water, and other nonliving parts of the environment.

• ecosystem

• community

• population

• biosphere

all the populations of different species that live together in the same area at the same time.

• community

• ecosystem

• population

• biosphere

all the organisms of the same species that live in the same area at the same time.

• population

• community

• biosphere

• ecosystem

the demand for resources, such as food, water, and shelter, in short supply in a community.

• limiting factors

• community

• competition

• ecosystem

anything that restricts the size of the population

• limiting factor

• competition

• population

• community

the size of a population compared to the amount of space available

• population density

• population

• competition

• biotic potential

the potential growth of a population if it could grow in perfect conditions with no limiting factors

• population density

• biotic potential

• population

• competition

the largest number of individuals of one species that an environment can support is

• carrying capacity

• biotic potential

• population density

• overpopulation

the number of offspring produced over a given time period

• birthrate

• death rate

• population density

• carrying capacity