Living things and the environment

A living thing.

• organism

• habitat

• community

• ecosystem

an environment that provides the things a specific organism needs to live, grow, and reproduce.

• organism

• habitat

• community

• ecosystem

a living or once living part of an organism's habitat.

• biotic factor

• habitat

• abiotic factor

• ecosystem

a nonliving part of an organism's habitat.

• biotic factor

• habitat

• abiotic factor

• ecosystem

the community of organisms that live in a particular area, along with their nonliving environment.

• ecosystem

• community

• population

• species

all the different populations that live together in a particular area.

• ecosystem

• community

• population

• species

all the members of one species living in the same area.

• ecosystem

• community

• population

• species

a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.

• ecosystem

• community

• population

• species

the study of how organisms interact with each other and their environment.

• ecosystem

• ecology

• population

• species

What nonliving things might you find in an ecosystem?

• Mammals, insects, and birds

• Plants, fungi, and lichen

• Rocks, air, light, and soil

• Bacteria and other microbes