6Th Grade Science, Chapter 8

Front 1

Study of all the interactions among organisms and their environment

Back 1

Ecology

Front 2

Any nonliving part of the environment, such as water, sunlight, temperature and air

Back 2

Abiotic factor

Front 3

Any living or once-living organism in the environment

Back 3

Biotic factor

Front 4

All the members of one species that live in the space at the same time

Back 4

Population

Front 5

All of the populations of different species in a given area that interact in some way and depend on one another for food, shelter and other needs

Back 5

Community

Front 6

All of the communities in a given area and the abiotic factors that affect them

Back 6

Ecosystem

Front 7

Part of Earth that supports life -- the top part of Earth's crust, all the waters covering the Earth's surface and the surrounding atmosphere; includes all biomes, ecosystems, communities and populations

Back 7

Biosphere

Front 8

Number of indiciduals in a population that occupies a definite area

Back 8

Population Density

Front 9

Any biotic or abiotic factor that limits the number of individuals in a population

Back 9

Limiting factor

Front 10

Any close interaction among two or more different species, including mutualism, commensualism and parasitism

Back 10

Symbiosis

Front 11

Role of an organism in the ecosystem including what it eats, how it interacts with other organisms, and how it gets food

Back 11

Niche

Front 12

Place where an organism lives

Back 12

Habitat