Chapter 5 - Ecosystems

Which of the following is an example of an interaction between a living part and nonliving part in an ecosystem?

• an insect using a plant for shelter

• a bird using an insect for food

• a worm using the soil for shelter

• a snake using a mouse for food

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The water in a wetland is an example of a...

• habitat

• community

• population

• living part

Which of the following is a decomposer?

• grass

• eagle

• mouse

• mushroom

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Look at the food chain below.

Grass $\rightarrow$  Rabbit  $\rightarrow$  Fox

How do foxes get energy?

• from eating grass

• from the sun

• from eating rabbits

• from eating other foxes

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Pigs eat both plants and animals. Which word best describes pigs?

• producer

• omnivore

• carnivore

• herbivore

Which is not an example of an seasonal adaptation?

• Bats hibernate through the winter

• Trees shed their leaves in the fall

• Groundhogs dig burrows underground

• Bids migrate to warmer places

Which is a way that a drought changes an ecosystem?

• Beaches wash away

• Plants die from lack of water

• Plants have more room to grow

• Animal habitats are flooded

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Which is an example of a living thing causing a change to an environment?

• beaver dam

• forest fire

• hurricane

• flood

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What might happen if a forest is cleared to build houses? (Select all that apply)

• Grass and trees are cut down.

• All of the animals live in the new gardens.

• Animals may move away.

• Many animals may die, because they do not have shelter or food.

• Humans take all the animals as pets.

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Sometimes plants are brought from one place to another by people. They may grow very quickly. How might this harm the ecosystem? (Select all that apply)

• The plants can grow and cover other plants, so they do not get enough sun.

• The other plants in the area may die.

• Animals that eat the natural plants may not have food and die.

• The new plants grow the same as all the natural plants.

• The new plants are a great food source for all of the animals.

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