Science Vocabs

A group of various species that live in the same place and interact with one another

The group, along with the living and nonliving environment, make up an ecosystem

The place where an organism lives

The variety of organisms in a given area

The replacement  of one community by another at a single place over a period of time

The average weather conditions in an area over a long period of time

A large region characterized by a specific kind of climate and certain kinds of plants and animal communities

The basic food source for an ecosystem

Organisms that eat other organisms instead of producing their own food

Organisms that break down the remains of animals

Each step in the transfer of energy through an ecosystem

A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain

The continuous movement of carbon from the nonliving environment into living things and back

The process of exchanging oxygen and CO2 between organisms and their surroundings

The process in which nitrogen circulates among the air, soil, water, and organisms in an ecosystem

the movement of phosphorus in different chemical forms from  the surroundings to organisms and then back to the surroundings