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 and that interact with an organism.

Are the non living parts of an organism’s habitat.

A group of organism’s 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 population’s that live together in an area.

The community of organism’s that lives in a particular area, along with the non living environment.

The study of how organism’s interact with each other and with their environment.

The number of individuals in an area of a 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.

An organism that can make its own food

Obtains energy by feeding on other organisms

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

In which one organism eats another and obtains energy and nutrients

Consists 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.

Absorbs light, much like cells in solar panels do.

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 other species is neither helped nor harmed.

Which is a relationship in which both species benefit.

A relationship that involves ones organism living inside another or on another organism and harming 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.

Feeds on the bodies of dead organisms.

Consumers that only eat plants.

That eat both plants and bodies of dead organisms.

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Ecosystems

Term	Definition
Organism	Living thing.

Habitat	An environment that provides the things a specific organism needs to live, grow, and reproduce.
Biotic factors	The parts of a habitat that are or were once alive and that interact with an organism.
Abiotic factors	Are the non living parts of an organism’s habitat.
Species	A group of organism’s 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 population’s that live together in an area.
Ecosystem	The community of organism’s that lives in a particular area, along with the non living environment.
Ecology	The study of how organism’s interact with each other and with their environment.
Population density	The number of individuals in an area of a 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.
Producer	An organism that can make its own food
Consumer	Obtains energy by feeding on other organisms
Decomposers	Break down biotic wastes and dead organisms, returning the raw materials to the ecosystem
Food chain	In which one organism eats another and obtains energy and nutrients
Food web	Consists 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, much like cells in solar panels do.
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 other species is neither helped nor harmed.
Mutualism	Which is a relationship in which both species benefit.
Parasitism	A relationship that involves ones organism living inside another or on another organism and harming 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.
Carnivore	Feeds on the bodies of dead organisms.
Herbivores	Consumers that only eat plants.
Omnivores	That eat both plants and bodies of dead organisms.

Created by: user-1978843

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