Matter and Energy in Ecosystems Quiz

Which of the following is an example of a biotic factor in an ecosystem?

• Soil

• Sunlight

• Wolf

• Water

Tags

NGSS.MS-LS2-4

What happens to the matter in a plant when it dies?

• It disappears.

• It gets decomposed and returned to the soil.

• It remains unchanged.

• It evaporates into the air.

Tags

NGSS.MS-LS2-3

Decomposers like fungi and bacteria obtain energy by:

• Consuming sunlight.

• Breaking down dead plants and animals.

• Eating other animals.

• Producing their own food.

Tags

NGSS.MS-LS2-3

When a plant dies, __________ break it down into nutrients that return to the soil.

Tags

NGSS.MS-LS2-3

After a natural disaster, __________ are often the first organisms to grow back and help the ecosystem recover.

Tags

NGSS.MS-LS1-5

What is the term for all living things in an ecosystem?

Which abiotic factor is essential for photosynthesis?

Tags

NGSS.MS-LS1-6

What is the primary source of energy for all ecosystems?

• Water

• Sunlight

• Soil nutrients

• Decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

After a wildfire in Yellowstone, which organism is most likely to benefit in the short term?

• Grass

• Wolves

• Trees

• Fungi

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following correctly shows the flow of matter in an ecosystem?

• Sun → Plants → Animals → Soil

• Animals → Plants → Sun → Soil

• Plants → Sun → Animals → Soil

• Soil → Animals → Plants → Sun

Tags

NGSS.MS-LS2-3