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21 Cards in this Set

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ecosystem

a community of all living things and non-living environments interacting in a certain area

organism

a form of life

Population

A group of organisms of the same species living in a certain area

Biotic factors

Living things that affect ecosystems

Abiotic factors

A non-living condition/thing that affects an ecosystem and the organisms in it

Invasive species

Non-native species that negatively affects our environment

Predator

An animal that eats another animal

Prey

An animal that is eaten by another animal

Host

An organism where a parasite lives

Parasite

An organism that lives in another organism and benefits by taking nutrients at the host's expense

Food chain

A series of a group of organisms where each organism depends on the lower one as a food/energy source

Food web

A system of interlocking food chains/ webs

Producer

An organism that produces food through photosynthesis for consumers

Consumer

An organism that gets their energy by eating other organisms

Decomposer

An organism that breaks down dead plant and animal cellsl

Herbivore

An organism that eats only plants

Carnivore

An organism that eats only animals

Omnivore

An animal that eats both plants and animals

Energy pyramid

A diagram that shows how energy moves through out an ecosystem

Organ

A group of tissues working together to perform a set of tasks

Organ system

A group of organs working together to perform a set of tasks