Things a specific organism needs to live, grow, and reproduce.

The parts of a habitat that are or were once alive and that interact with an organism

The nonliving 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

The community of organisms that lives in a particular area, along with nonliving environment

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

The number of individuals in an area of a specific size

An environmental factor that cause a population to stop growing or to decrease

The largest population that an area can support

An organism that can make its own food

Obtains energy by feeding on other organisms

Consumers that eat only animals

A carnivore that feeds on the bodies of the dead organisms

Consumers that only eat plants.

Consumers that eat both plants and animals

Breaks down biotic wastes and dead organisms

Is a series of events in which one organisms eats another and obtains energy

Shows the amount of energy that moves from one feeding level to another

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

How an organism obtains its food, the type of food the organism eats, and what other organisms eat it.

The struggle between organisms to survive as they use the same limited resources

An interaction in which one organism kills another for food or nutrients

Any relationship in which two species live closely together

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

A relationship in which both species benefit.

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Ecosystem

Term	Definition
Organisms	A living thing
Habitat	Things a specific organism needs to live, grow, and reproduce.
Biotic factor	The parts of a habitat that are or were once alive and that interact with an organism
Abiotic factor	The nonliving 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	The community of organisms that lives in a particular area, along with nonliving environment
Ecology	The study of how organisms interact with each other and with their environment
Density	The number of individuals in an area of a specific size
Limiting factor	An environmental factor that cause a population to stop growing or to decrease
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
Carnivores	Consumers that eat only animals
Scavenger	A carnivore that feeds on the bodies of the dead organisms
Herbivores	Consumers that only eat plants.
Omnivores	Consumers that eat both plants and animals
Decomposers	Breaks down biotic wastes and dead organisms
Food chain	Is a series of events in which one organisms eats another and obtains energy
Energy pyramid	Shows the amount of energy that moves from one feeding level to another
Photosynthesis	The set of chemical reactions plants use to turn light, water, and nutrients into energy and oxygen
Niche	How an organism obtains its food, the type of food the organism eats, and what other organisms eat it.
Competition	The struggle between organisms to survive as they use the same limited resources
Predation	An interaction in which one organism kills another for food or nutrients
Symbiosis	Any relationship in which two species live closely together
Commensalism	A relationship in which one species benefits and the other neither helped or harmed.
Mutualism	A relationship in which both species benefit.
Parasitism

Created by: user-1979302

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