Spiral Review Ecosystems

What is a food chain?

• A list of all the animals in a forest

• A process where plants grow

• A sequence of who eats whom in an ecosystem

• A type of animal behavior

Tags

NGSS.MS-LS2-3

In an ecosystem, energy flows from:

• Sun to producers to consumers

• Consumers to producers to decomposers

• Decomposers to producers to consumers

• Producers to sun to consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a limiting factor in an ecosystem?

• Number of animals

• Amount of water

• Type of plants

• All of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Mutualism is a relationship where:

• Both species benefit

• One species benefits and the other is harmed

• One species benefits and the other is unaffected

• Both species are harmed

What does commensalism mean?

• Both organisms benefit

• One organism benefits, and the other is harmed

• One organism benefits, and the other is unaffected

• Both organisms are harmed

Parasitism is a relationship where:

• Both organisms benefit

• One organism benefits at the expense of the other

• One organism benefits, and the other is unaffected

• Both organisms are harmed

A food web is:

• A single pathway of feeding relationships

• A complex network of feeding relationships

• A web made by spiders to catch food

• A way to measure the amount of food in an ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is a producer?

• Lion

• Grass

• Fungi

• Wolf

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Autotrophs are organisms that:

• Eat other organisms for energy

• Produce their own food through photosynthesis

• Decompose dead organisms

• Rely on others for food

Tags

NGSS.MS-LS1-6

Heterotrophs are organisms that:

• Produce their own food

• Eat other organisms for energy

• Do not need energy to survive

• Use sunlight to produce food