An environment that provides the things a specific organism needs to live, grow, and reproduce

Parts of a habitat that are or were once alive

Non living parts of an organisms habitat

A group of organisms that can mate with each other and produce offspring

All the members of one species living in a particular area

All the different populations that live together in an area

Organisms that lives in a particular area along with the non living environment

The study of how organisms interact with each other

Population-the number of individuals in an area of a specific size

An environment factor that causes a population to stop growing or to decrease in size

The largest population that an area can support

An organism that can make its own food

Obtains energy by feeding on other organisms

Feeds on the bodies of dead organisms

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

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

Consist of many overlapping food chains in an ecosystem

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

The set of chemicals reactions plants use to turn light, water, and nutrients into oxygen and energy

An organism that makes its own food

An organism that has to get its food from a source

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

Any relationship in which two species live closely together

A relationship in which one species benefits and the other species is neither helped or harmed

A relationship in which both species benefit

A relationship that involves one organism living with, on, or inside another organism and harming it.

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Ecosystems

Term	Definition
Organism	Living things
Habitat	An environment that provides the things a specific organism needs to live, grow, and reproduce
Biotic factor	Parts of a habitat that are or were once alive
Abiotic factor	Non living parts of an organisms habitat
Species	A group of organisms that can mate with each other and produce offspring
Population	All the members of one species living in a particular area
Community	All the different populations that live together in an area
Ecosystem	Organisms that lives in a particular area along with the non living environment
Ecology	The study of how organisms interact with each other
Density	Population-the number of individuals in an area of a specific size
Limiting factor	An environment factor that causes a population to stop growing or to decrease in size
Carrying capacity	The largest population that an area can support
Producer	An organism that can make its own food
Consumer	Obtains energy by feeding on other organisms
Carnivore	Only eat animals
Scavenger	Feeds on the bodies of dead organisms
Herbivore	Only eat plants
Omnivore	Eats both plants and animals
Decomposer	Breaks down biotic waste and dead organisms, returning the raw materials to the ecosystem
Food chain	A series of events in which one organism eats another and obtains energy and nutrients
Food web	Consist of many overlapping food chains in an ecosystem
Energy pyramid	Shows the amount of energy that moves from one feeding level to another in a food web
Photosynthesis	The set of chemicals reactions plants use to turn light, water, and nutrients into oxygen and energy
Chlorophyll	Absorbs light
Autotroph	An organism that makes its own food
Heterotroph	An organism that has to get its food from a source
Competition	The struggle between organism’s to survive as they use the same limited resources
Symbiosis	Any relationship in which two species live closely together
Commensalism	A relationship in which one species benefits and the other species is neither helped or harmed
Mutualism	A relationship in which both species benefit
Parasitism	A relationship that involves one organism living with, on, or inside another organism and harming it.

Created by: user-1979083

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