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iGCSE Biology > Ecology > Flashcards

Ecology Flashcards

1
Q

What is a population?

A

All the organisms of a single species that live in a habitat.

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2
Q

What is a community?

A

All the populations of different organisms that live together in a habitat.

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3
Q

What is a habitat?

A

The place where an organism lives.

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4
Q

What is an ecosystem?

A

The interaction between a community of organisms and their environment.

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5
Q

What is a species?

A

Types of organisms that can interbreed.

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6
Q

What is an environment?

A

All the conditions that surround a living organism, both other organisms and physical surroundings.

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7
Q

What is biodiversity?

A

The variety of species found in an ecosystem.

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8
Q

Abiotic factors affecting population size and distribution

A

Light intensity
Temperature
Moisture levels
Soil pH

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9
Q

Biotic factors affecting population size and distribution

A

Food availability
Predators
Pathogens
Competition

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iGCSE Biology (9 decks)

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