Ecology Basics

Ecology is the study of the (a)   .

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(a)   are scientists who study ecology.

A single organism that interacts with living things in its habitat is called a(n)

• population

• biome

• individual

• community

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All the life, land, water, and air on Earth is called the

• ecosystem

• community

• habitat

• biosphere

Which of the following are living things? (Select 2)

• rocks

• bacteria

• fungi

• water

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Nonliving parts of the environment are

• biotic factors

• disease factors

• radiant factors

• abiotic factors

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The (a)   is one of the most important nonliving factors in an environment. Life on Earth couldn't exist without it.

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This type of organism uses energy from the sun to make its own food through a process called photosynthesis.

• consumer

• producer

• decomposer

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This type of organism gets nutrients from dead organisms.

• producer

• consumer

• decomposer

This type of organism can't make its own food. It feeds on other organisms to get food and energy.

• consumer

• decomposer

• producer

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