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

The parts of a habitat that are or were once alive

Non living parts of an organisms habitat include water, oxygen, space, rocks, light, temperature, and soil

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

All the members of one species living in a particular area

All the different populations that live together in an area

Organisms that live in a particular area , along with the nonliving environment

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

The number of individuals in an area of specific size

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

The largest population that an area can support

Any relationship in which two species live closely together

A relationship where one species benefits and the other species is neither helped nor harmed

A relationship in which both species benefit

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

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

One organism is the predator he the other is the prey

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

An organism that makes its own food

An organism that has to get its food from a source-and is unable to make its own food

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

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 wastes and dead organisms, returning the raw materials to the ecosystem

Obtains energy by feeding on other organisms

A carnivore that feeds on the bodies of dead organisms

Consumers that eat both plants and animals

An organism that can make its own food

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Ecosystem

Term	Definition
Organism	A living thing
Habitat	An environment that provides the things a specific organism needs to live, grow, and reproduce
Biotic factor	The parts of a habitat that are or were once alive
Abiotic factor	Non living parts of an organisms habitat include water, oxygen, space, rocks, light, temperature, and soil
Species	A group of organisms that can mate with each other and produce offspring that can also mate and reproduce
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 live in a particular area , along with the nonliving environment
Ecology	The study of how organisms interact with each other and with their environment
Population density	The number of individuals in an area of specific size
Limiting factor	An environmental factor that causes a population to stop growing or to decrease in size
Carrying capacity	The largest population that an area can support
Symbiosis	Any relationship in which two species live closely together
Commensalism	A relationship where one species benefits and the other species is neither helped nor 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
Competition	The struggle between organisms to survive as they use the same limited resources
Predation	One organism is the predator he the other is the prey
Niche	How an organism obtains its food, the type of food the organism eats, and what other organisms eat it
Autotroph	An organism that makes its own food
Heterotroph	An organism that has to get its food from a source-and is unable to make its own food
Chlorophyll	Absorbs light
Photosynthesis	The set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy, in the form of sugars.
Energy pyramid	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 wastes and dead organisms, returning the raw materials to the ecosystem
Consumer	Obtains energy by feeding on other organisms
Scavenger	A carnivore that feeds on the bodies of dead organisms
Herbivores	Consumers that only eat plants
Omnivores	Consumers that eat both plants and animals
Producer	An organism that can make its own food

Created by: user-1979384

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