An environmental factor that causes a population to decrease in size

Something found in nature that enhances the lives of plants, animals, and humans

The measurement of how much mass of a substance is contained in a given volume

An organism that can make its own food

An organism that obtains energy by feeding on other organisms

An organism that gets energy by breaking down biotic wastes and dead organisms and returns raw materials to the soil and water

A series of events in an ecosystem in which organisms transfer energy by eating and by being eaten

A pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem

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

The function played by a person or thing in a particular situation

Law of Conservation of Mass

The principle that the total amount of matter remains the same, regardless of any chemical or physical change

Law of Conservation of Energy

The rule that energy cannot be created or destroyed

The process by which molecules at the surface of a liquid absorb enough energy to change to a gas

The change of state from a gas to a liquid

Any form of water that falls from clouds and reaches Earth’s surface as rain, snow, sleet, or hail

A group of parts that work together as a whole

The individual objects or parts that combine or work together to form a whole

How an organism makes its living and interacts with the biotic and abiotic factors in its habitat

The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time

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

Any relationship in which two species live closely together and that benefits at least one of the species

A type of symbiosis between two species in which one species benefits and the other species is neither helped nor harmed

A type of symbiosis in which both species benefit from living together

A type of symbiosis in which one organism lives with, on, or in a host and harms it

The different ways that living things communicate with, act toward, and influence each other

Ecosystems Flashcards Flashcards

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32 questions

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1.

FLASHCARD QUESTION

Front

organism

Back

A living thing

2.

FLASHCARD QUESTION

Front

habitat

Back

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

3.

FLASHCARD QUESTION

Front

biotic factor

Back

A living or once-living part of an organism’s habitat

4.

FLASHCARD QUESTION

Front

abiotic factor

Back

A nonliving part of an organism’s habitat

5.

FLASHCARD QUESTION

Front

population

Back

All the members of one species living in the same area

6.

FLASHCARD QUESTION

Front

community

Back

All the different populations that live together in a certain area

7.

FLASHCARD QUESTION

Front

ecosystem

Back

The community of organisms that live in a particular area, along with their nonliving environment

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