Ecosystem Grade 5

All of different populations that live in a specific are is called …

• Ecosystem

• Community

• Habitat

• Population

These are the abiotic factors in ecosystem, except …

• Light

• Air

• Water

• Fungi

Without the Sun, which of the organisms could no longer survive?

• Producers

• Consumers

• Producers and Consumers

• All organisms

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What are biotic factors in an ecosystem?

• Dead things

• Weather

• Animals

• Soil

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Where do plants get their energy?

• Air

• Temperature

• Soil

• The Sun

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These are the animals that need sunlight to keep their body warm, except …

• Frogs

• Earthworms

• Lizards

• Turtles

What would happen when an ecosystem doesn’t have enough water resources?

• The land will polluted

• The bacteria will multiply

• The ecosystem still works well

• plants and animals will be died

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The polluted oceans, rivers and lakes are harmful for animals below, except …

• Sun

• Fish

• Seals

• Birds

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If there was an increase in the owl population. As a result the mouse population will …

• Eat the predators

• Increase

• Decrease

• Stay the same

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Polar bears live on Arctic ice. Warm temperatures make the ice melt. This is a change in …

• Climate that harms a population

• Food supply that helps a population

• Available soil that helps a population

• Available sunlight that harms a population

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