PHS ES CH 4 2nd hour

the study of how organisms interact with one another and with their environments

• Ecology

• Species

• Population

• Community

a group of individuals that interbreed and produce fertile offspring

• Ecology

• Species

• Population

• Community

the members of a species that live in the same area

• Ecology

• Species

• Population

• Community

all of the population in a particular area

• Ecology

• Species

• Population

• Community

all living things and their physical environments within a particular area

• Ecosystem

• Biosphere

• Biotic Factor

• Abiotic Factor

the Earth and all of its organisms and environments

• Ecosystem

• Biosphere

• Biotic Factor

• Abiotic Factor

any part of an ecosystem that is living or used to be living

• Ecosystem

• Biosphere

• Biotic Factor

• Abiotic Factor

any part of an ecosystem that has never been living

• Ecosystem

• Biosphere

• Biotic Factor

• Abiotic Factor

anything an organism needs; includes nutrition, shelter, mates, and breeding sites

• Habitat

• Resource

• Population Size

• Population Density

the specific environment in which an organism lives

• Habitat

• Resource

• Population Size

• Population Density