Energy Flow in Ecosystems

What are decomposers?

• Living things that break down waste and dead plants and animals

• Living things that produce energy from waste

• Living things that eat waste and dead plants and animals

• Living things that create waste and dead plants and animals

Tags

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• To create waste and dead plants and animals

• To produce energy for other living things

• To break down waste and dead plants and animals

• To eat waste and dead plants and animals

Tags

NGSS.MS-LS2-3

How do plants get energy?

• From decomposers

• From the Sun

• From other plants

• From animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What happens to the energy from an apple when it is eaten by a mouse?

• The energy is lost

• The energy is transferred to the mouse

• The energy is transferred to the owl

• The energy is transferred to the Sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

What do decomposers do with waste?

• They eat it

• They store it

• They break it down into smaller parts

• They ignore it

What do plants do with the nutrients from decomposed waste?

• They store them

• They release them into the air

• They use them to make energy

• They pass them to animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What would happen if decomposers were removed from an ecosystem?

• The ecosystem would become cleaner

• The ecosystem would become more balanced

• The ecosystem would have more waste

• The ecosystem would collapse

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the main source of energy for plants?

• Water

• Sun

• Air

• Animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How do decomposers contribute to nutrient cycling in an ecosystem?

• They release nutrients into the soil

• They absorb nutrients from the soil

• They convert nutrients into energy

• They transport nutrients to other organisms

Tags

NGSS.MS-LS2-3

Why are decomposers considered essential for the survival of an ecosystem?

• They provide food for other organisms

• They help in the process of pollination

• They maintain the pH balance of the soil

• They break down dead organic matter into nutrients

Tags

NGSS.MS-LS2-3