2.2: Interaction of Living Things

What is an abiotic factor in an ecosystem?

• A living thing like a plant

• A nonliving part like water

• An animal that hunts others

• An organism's role in an ecosystem

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NGSS.MS-LS2-3

Which of the following is a biotic factor?

• Rocks

• Air

• Plants

• Water

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NGSS.MS-LS1-1

What is a habitat?

• A nonliving part of an ecosystem

• An organism's role in an ecosystem

• Place where plants and animals live

• An animal that hunts others

What does a producer do in an ecosystem?

• Hunts other animals for food

• Uses energy from the sun to make its own food

• Eats other animals

• Introduces harm to a new ecosystem

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What is an invasive species?

• An organism that is native to an ecosystem

• An organism that is introduced to a new ecosystem and causes harm

• An animal that is eaten by others

• A nonliving part of an ecosystem

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What is a predator?

• An animal that is eaten by others

• An organism's role in an ecosystem

• An animal that hunts other animals for food

• A nonliving part of an ecosystem

Tags

NGSS.MS-LS2-2

What is prey?

• Animals that are eaten by other animals

• An organism's role in an ecosystem

• A nonliving part of an ecosystem

• An animal that hunts others

What is a niche?

• A nonliving part of an ecosystem

• An organism's role in an ecosystem

• An animal that hunts others

• A place where plants and animals live

Tags

NGSS.MS-LS2-2

How can ecosystems vary in size?

• They are always large like forests

• They can be small like a log or large like a desert

• They are always small like a pond

• They are always medium-sized

What happens if a predator is removed from an ecosystem?

• The population of its prey will decrease

• The population of its prey will increase

• The ecosystem will disappear

• The ecosystem will remain unchanged

Tags

NGSS.MS-LS2-2

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