Unit 8 Vocab

the top predator in an ecosystem

accumulation of pollutants at successive levels of the food chain

A measure of the total dry mass of organisms within a particular region

Largest number of individuals of a population that a environment can support

A consumer that eats only animals.

A relationship between two organisms in which one organism benefits and the other is unaffected

the struggle between organisms to survive in a habitat with limited resources

An organism that obtains energy by feeding on other organisms

limiting factor that depends on population size

limiting factor that affects all populations in similar ways, regardless of population size

An organism that breaks down wastes and dead organisms

organism that feeds on plant and animal remains and other dead matter

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

Population growth that is unhindered because of the abundance of resources for an ever

A series of steps in which organisms transfer energy by eating and being eaten

A community of organisms where there are several interrelated food chains

A consumer that eats only plants.

organism that obtains energy from the foods it consumes; also called a consumer

Population growth that is controlled by limited resources

A relationship between two species in which both species benefit

Each step in a food chain or food web

A relationship between two organisms of different species where one benefits and the other is harmed

A group of individuals that belong to the same species and live in the same area

An interaction in which one organism kills another for food.

rate at which organic matter is created by producers in an ecosystem

An organism that can make its own food.apex predator