Parts of a habitat that are or were once alive

Are the nonliving parts of an organism’s habitat

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

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 different populations that live together in an area

The community of 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 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.

Consumers that only eat animals

A carnivore that feeds on the bodies of dead organisms

Consumers that only eat plants and other photosynthesis organisms

Consumers that eat both plants and animals

Breaks down biotic wastes and dead organisms

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

Many overlapping food chains in an ecosystem

The set of chemical 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

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

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

A relationship in which both species benefits

A relationship in which one species benefits and the other species is nether helped nor harmed

Any relationship in which two species live closely together

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

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

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Ecosystems

Question	Answer
Biotic Factors	Parts of a habitat that are or were once alive
Abiotic Factors	Are the nonliving parts of an organism’s habitat
Organism	A living thing
Habitat	A environment that provides the things a specific organism needs to live, grow, and reproduce
Species	A group of organisms that can mate with each other and produce offspring that can also mate and reproduce
Populations	All the members of one species living in a particular area
Community	All different populations that live together in an area
Ecosystem	The community of 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 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.
Carnivores	Consumers that only eat animals
Scavenger	A carnivore that feeds on the bodies of dead organisms
Herbivores	Consumers that only eat plants and other photosynthesis organisms
Omnivores	Consumers that eat both plants and animals
Decomposers	Breaks down biotic wastes and dead organisms
Food chain	A series of events in which one organism eats another and obtains energy and nutrients
Food web	Many overlapping food chains in an ecosystem
Photosynthesis	The set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy
Chlorophyll	Absorbs light
Autotroph	An organism that makes its own food
Heterotrophs	An organism that has to get its food from a source
Energy pyramid	Shows the amount of energy that moves from one feeding level to another in a food web
Parasitism	A relationship that involves one organism living with, inside , or one another organism and harming it
Mutualism	A relationship in which both species benefits
Commensalism	A relationship in which one species benefits and the other species is nether helped nor harmed
Symbiosis	Any relationship in which two species live closely together
Predation	An interaction in which one organism kills another for food or nutrients
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

Created by: user-1979166

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