Ecosystem Review

Which is the definition of a population?

• a group of many kinds of animals or plants living in the same environment

• a system made up of living and nonliving things in their natural environment

• a group of specific animals or plants living in the same environment

• a living thing

What is the definition of a community?

• a group of many kinds of animals or plants living in the same environment

• a system made up of living and nonliving things in their natural environment

• a group of specific kinds of animals or plants living in the same environment

• a living thing

Which of the following is true?

• A forest ecosystem can support more animal populations than the desert because it has fewer plants than the desert does.

• A forest ecosystem can support more animal populations than the desert because it has more water to support living things.

• A forest ecosystem can support more animal populations than the desert because it has less predators.

• A forest ecosystem can support more animal populations than the desert because it has more grass.

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Which of the following sentences about grasslands is true?

• Grasslands have dry soil.

• Grasslands receive little to no amounts of precipitation.

• Grasslands are cold during the day and hot at night.

• Grasslands have rich soil.

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NGSS.MS-LS2-1

Forests can support large numbers of animal populations because -

• trees can provide food and shelter for many animals.

• they have many predators.

• they have an abundance of space.

• they are untouched by mankind.

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Which of the following is a characteristic of a grassland ecosystem?

• They have lots of trees.

• They freeze over during the winter.

• There is plenty of saltwater to drink.

• There is a large numbers of plants to use for food and shelter

Which plant are you most likely to find in a desert?

• Maple tree

• Cactus

• Tall grass

• Vines

Which of the following is a characteristic of a desert?

• mild temperatures

• abundance of precipitation

• low amount of rain

• low temperatures

Which physical characteristic of a forest provides the most support to all of the different living organisms?

• different animals

• large rocks

• abundance of trees

• blue skies

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NGSS.MS-LS2-1

Which would be most helpful for one animal to escape from another animal in the forest?

• pale fur

• a hump full of fat

• long legs to walk through mud

• strong legs and claws to climb quickly