Living Systems - Decomposers

Which is NOT true about earthworms' role in the environment?

• They mix and loosen soil

• They break down decaying plant material

• They eat plants' roots

• They release nutrients plants need to grow

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following is NOT a good example of using evidence to support a claim about earthworms?

• Worms burrow underground and hide under things away from the light. Therefore, worms like darkness.

• Worms look a lot like caterpillars, which are pests. Therefore, worms must also be pests.

• Worms dig burrows and move the soil like farmers do with plows. Therefore, worms help plants to grow because they move and loosen the soil.

• Worm castings have more nutrients than the dirt around them. Therefore, worms are helpful to plants, because worms add nutrients to the soil that plants need.

Tags

NGSS.MS-LS2-4

Worms are the ONLY kind of decomposers.

• TRUE

• FALSE

Which of the following correctly describes earthworms' bodies?

• have soft, flexible bodies

• have a dry, scaly outer layer

• have large chewing mouths

• can sense light

Which of the following correctly describes earthworms behavior?

• can move forward or backward

• lives in burrows underground

• like damp plances

• often come out when it rains

These microorganisms act as decomposers.

• algae
• virus
• blood cells
• bacteria

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The name of organisms that primarily feed on dead organisms or the waste from living organisms.

• algae
• consumers
• decomposers
• omnivores

Which of the following organisms is a decomposer?

• Blueberry
• Coyote
• Snowshoe Hare
• Bacteria

Tags

NGSS.MS-LS2-3

________________ break down dead plant and animal material.

• producers

• ecosystem

• decomposers

• consumers

What is the role of fungi in an ecosystem?

• producer

• decomposer

• consumer

• fundation

Tags

NGSS.MS-LS2-3