Ecology Review

What is the definition of an organism?

• A group of organisms of one type that live in the same area.

• Populations of different species living in a defined area.

• The interaction of living and non-living things.

• A single individual of a particular species.

What is a population?

• All the organisms on Earth and where they live.

• Group of organisms of one type that live in the same area.

• Groups of different species that live in a defined area.

• Parts of an ecosystem that are living or use to be living.

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What word best describe the image?

• Ecosystem

• Biosphere

• Biome

• Niche

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Define abiotic

• Nonliving things

• Something big

• Something small

• Living things

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Which picture represents biotic?

• 
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A niche is ________________.

• The biotic and abiotic factors in an ecosystem.

• The roll we had with our meal.

• The habitat of an organism.

• The role (job) of an organism in an ecosystem.

Which definition best defines consumer?

• Organisms that do not eat or drink.

• Organisms that eat producers or other organisms.

• Organisms that only drink water.

• Organisms that eat sunlight.

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Which image is a decomposer?

• Mushrooms

• Cows

• Plants

• Trees

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The height of the bean plant depends on how much water they receive. What is the dependent variable? 

• Same amount of sunlight

• Same soil and water

• How much water they received

• The height of the bean plant 

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Why is it important to perform multiple trials during an experiment? 

• It makes sure your results are more accurate 

• It fixes errors from the experiment 

• It allows you to keep track of your materials 

• It is not important to have multiple trials