Vocabulary terms and definitions for Mr. Jones' 7th Grade science Environmental Science unit at Hayes Middle School.
Terms in this set (20)
The nonliving parts of the environment
Extremely small, single-celled organisms that in the environment act as decomposers
The collection and build-up of substances, such as pesticides, in the tissue of living organisms.
The number of different species of plants and animals in an area.
The living factors in the environment
The largest population that a given environment can support over a long period of time
All of the populations of organisms that live in the same area and interact with each other
An organism that eats other organisms
An organism that feeds by breaking down organic matter from dead organisms
A community of organisms and their abiotic environment
Food Chain/Food Web
A diagram that shows the flow of energy through organisms in an ecosystem.
The place where an organism usually lives.
An organism that feeds on an organism of another species (the host) and that usually harms the host
A group of organisms of the same species that live in a specific geographical area and interbreed
An organism that eats all or part of another organism, usually by hunting and killing it
An organism that is killed and eaten by another organism
An organism that can make its own food; usually a plant completing photosynthesis
When all organisms of a single species die
The ability of an ecosystem or process to renew and provide resources for a population of organisms indefinitely
A relationship in which two different organisms live in close association with each other
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