An environment that provides an organisms with things it needs to eat and a place for it to live

The parts of a habitat that are or once were alive that interact with organisms

Non living parts parts of an organisms habitats.

A group of organisms that can mate and reproduce offspring that can also mate and reproduce

All the members of a species in one specific area

All the different populations living in one habitat

The community of Organisms that live with non living things in one habitat

The study of how organisms interact with each other in their environment

The number of individuals in an area of a specific size

Environmental factor that causes a population to stop growing or decrease

The largest population that an area can support

An interaction in which one organism kills another for food

The role of an organism in it’s habitat

The struggle for organism’s to survive as they use the same limited resources

Is any relationship in which 2 species live closely together

A relationship in which one species is benefiting and the other is not helped nor harmed

A relationship when both species is benefiting

An organism that makes its own food

An organism that gets its food from a source and cannot make its own food

Is the set chemical reaction plants use to turn light, water, and nutrients into oxygen and energy, in the form of sugars.

Shows the amount of energy that moves from one feeding level to another in a food web.

A series of events in which one organism eats another and obtains energy and nutrients.

Consists of many overlapping food chains in an ecosystem

Break down biotic waste and dead organisms returning raw materials to the ecosystem

Obtains energy by feeding on another organism

An organism that can make its own food

A consumer that only eats other animals

A consumer that feeds on the bodies of dead organisms.

A consumer that only eats plants

A consumer that eats both plants and animals

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Ecosystems

Term	Definition
Organisms	Living thing
Habitat	An environment that provides an organisms with things it needs to eat and a place for it to live
Biotic factor	The parts of a habitat that are or once were alive that interact with organisms
Abiotic factor	Non living parts parts of an organisms habitats.
Species	A group of organisms that can mate and reproduce offspring that can also mate and reproduce
Population	All the members of a species in one specific area
Community	All the different populations living in one habitat
Ecosystem	The community of Organisms that live with non living things in one habitat
Ecology	The study of how organisms interact with each other in their environment
Population density	The number of individuals in an area of a specific size
Limiting factor	Environmental factor that causes a population to stop growing or decrease
Carrying capacity	The largest population that an area can support
Predation	An interaction in which one organism kills another for food
Niche	The role of an organism in it’s habitat
Competition	The struggle for organism’s to survive as they use the same limited resources
Symbiosis	Is any relationship in which 2 species live closely together
Commensalism	A relationship in which one species is benefiting and the other is not helped nor harmed
Mutualism	A relationship when both species is benefiting
Autotroph	An organism that makes its own food
Heterotroph	An organism that gets its food from a source and cannot make its own food
Photosynthesis	Is the set chemical reaction plants use to turn light, water, and nutrients into oxygen and energy, in the form of sugars.
Energy pyramid	Shows the amount of energy that moves from one feeding level to another in a food web.
Food chain	A series of events in which one organism eats another and obtains energy and nutrients.
Food web	Consists of many overlapping food chains in an ecosystem
Decomposer	Break down biotic waste and dead organisms returning raw materials to the ecosystem
Consumer	Obtains energy by feeding on another organism
Producer	An organism that can make its own food
Carnivore	A consumer that only eats other animals
Scavenger	A consumer that feeds on the bodies of dead organisms.
Herbivore	A consumer that only eats plants
Omnivore	A consumer that eats both plants and animals

Created by: user-1979197

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