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 members of one species living in a particular area.

All the different populations that live together in an area.

The community of organisms that live in an area, along with the non living environment.

The study of how organisms interact with each other and there environment.

Number of individuals in an area of a specific size #of individuals/unit area

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

The largest population an area can support

An organism that can make its own food

Obtains energy by feeding on other organisms

Break down biotic waste and dead organisms

A series of events in which one organism eats another to obtain energy

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 chemical reactions plants use to turn light, water, and nutrients into oxygen and energy, in the form of sugars

An organism that gets its food from a source

An organism that makes its own food

Feeds on scraps of dead animals

Includes how an organism obtains its food, the type of food it eats, and what other organisms prey on it

The struggle between organisms to survive as they use limited resources

An interaction in which one organism kills the other for food or energy

Any relationship in which two species live closely with each other

A relationship in which one organism benefits and the other organism isn’t helped or harmed

A relationship in which both organisms benefit

A relationship where one living thing lives on top or inside an other harming it

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Ecosystem

Term	Definition
Organism	Living thing
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 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 live in an area, along with the non living environment.
Ecology	The study of how organisms interact with each other and there environment.
Population density	Number of individuals in an area of a specific size #of individuals/unit area
Limiting factor	An environmental factor that causes a population to stop growing or decrease
Carrying capacity	The largest population an area can support
Producer	An organism that can make its own food
Consumer	Obtains energy by feeding on other organisms
Decomposer	Break down biotic waste and dead organisms
Food chain	A series of events in which one organism eats another to obtain energy
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 chemical reactions plants use to turn light, water, and nutrients into oxygen and energy, in the form of sugars
Chlorophyll	Absorbs light
Autotroph	An organism that gets its food from a source
Heterotroph	An organism that makes its own food
Herbivores	Only eats plants
Omnivores	Eats plants and animals
Scavengers	Feeds on scraps of dead animals
Carnivores	Only eats animals
Niche	Includes how an organism obtains its food, the type of food it eats, and what other organisms prey on it
Competition	The struggle between organisms to survive as they use limited resources
Predation	An interaction in which one organism kills the other for food or energy
Symbiosis	Any relationship in which two species live closely with each other
Commensalism	A relationship in which one organism benefits and the other organism isn’t helped or harmed
Mutualism	A relationship in which both organisms benefit
Parasitism	A relationship where one living thing lives on top or inside an other harming it

Created by: user-1979329

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