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 interact with an organism

The nonliving parts of an organism’s habitat

A group of organisms that can mate with each other and create 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 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

Some factor in the environment that limits or decreases a population’s size

The largest population an area can support

Any relationship in which 2 species live closely together

A relationship in which one species benefits and the tiger is neither helped nor harmed

A relationship in which both species benefit.

Different species compete for something they want

A relationship in which one species benefits and the other is harmed.

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

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

Many overlapping food chains in an ecosystem

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

The thing a plant uses to capture energy from the sun and converts it into a form of energy that a plant can use

An organism that makes its own food

An organism that is unable to make its own food

A carnivore that feeds in the bodies of dead organisms

A consumer that eats only plants and photosynthetic organisms

Consumers that eat both plants and animals

The way producers change sunlight into food

A type of organism that only eats meat

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Ecosystems

Question	Answer
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 and interact with an organism
Abiotic factor	The nonliving parts of an organism’s habitat
Species	A group of organisms that can mate with each other and create 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 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	Some factor in the environment that limits or decreases a population’s size
Carrying capacity	The largest population an area can support
Symbiosis	Any relationship in which 2 species live closely together
Commensalism	A relationship in which one species benefits and the tiger is neither helped nor harmed
Mutualism	A relationship in which both species benefit.
Competition	Different species compete for something they want
Parasitism	A relationship in which one species benefits and the other is harmed.
Producer	An organism that can make its own food
Consumer	Obtains energy by feeding on other organisms
Decomposer	Break down biotic wastes and dead organisms, returning the raw materials to the ecosystem
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
Energy pyramid	The amount of energy that moves from one feeding level to another in a food web
Chlorophyll	The thing a plant uses to capture energy from the sun and converts it into a form of energy that a plant can use
Autotroph	An organism that makes its own food
Heterotroph	An organism that is unable to make its own food
Scavenger	A carnivore that feeds in the bodies of dead organisms
Herbivore	A consumer that eats only plants and photosynthetic organisms
Omnivores	Consumers that eat both plants and animals
Photosynthesis	The way producers change sunlight into food
Carnivore	A type of organism that only eats meat

Created by: user-1979070

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