Unit 2 Study Guide: Ecosystems

What do decomposers (like fungi and bacteria) break down in an ecosystem?

• Dead plants and animals

• Living plants and animals

• Sunlight and water

• Rocks and minerals

Tags

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• Recycle materials

• Produce energy from sunlight

• Consume primary consumers

• Store water in the soil

Tags

NGSS.MS-LS2-3

Which of the following is NOT needed by plants to make their own food (photosynthesis)?

• Sunlight

• Water

• Carbon dioxide

• Sugar

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Sugar is needed to make food during photosynthesis.

• True

• False

Tags

NGSS.MS-LS1-6

Fungi (like mushrooms) are ________, not producers like plants.

• decomposers

• consumers

• autotrophs

• herbivores

Do fungi make their own food like plants?

What do predators do?

• Hunt other animals

• Eat only plants

• Build nests for other animals

• Turn sunlight into food

Tags

NGSS.MS-LS2-3

What do prey do?

What is a limiting factor in an ecosystem? A limiting factor is something that controls the number of organisms in an ecosystem (e.g., amount of ____).

• water

• sunlight

• soil

• carbon dioxide

Tags

NGSS.MS-LS2-1

A hawk hunting a mouse is a ____.

• predator

• herbivore

• scavenger

• prey

Tags

NGSS.MS-LS2-2