Ecosystems 2

Without decomposers, what would build up on the ground and not return to the soil?

• large rocks

• rain water

• bacteria and other microorganisms

• dead plant and animal matter

Tags

NGSS.5-LS2-1

An organism that makes its own food is a _____________.

• producer

• consumer

• predator

• decomposer

Below is an example of a food chain.

Acorn → Squirrel → Fox → Mountain Lion

What will most likely happen if squirrels are removed from the food chain?

• Foxes will eat acorns.

• The fox population will decrease.

• Trees will produce fewer acorns.

• The mountain lion population will increase.

Where do producers get energy?

• consumers

• producers

• sunlight

• predators

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

ALL energy in an ecosystem comes from ____________.

• soil

• rain

• the sun

• algae

Organisms that hunt other organisms for food are called __________.

• predators

• prey

• producers

• herbivores

Carnivores, herbivores, omnivores, and scavengers are all examples of __________.

• producers
• consumers
• decomposers
• abiotic factors

Tags

NGSS.5-LS2-1

An individual living thing is a/an ___________.

• habitat
• ecosystem
• organism
• population

What is the role of decomposers?

• Returning the nutrients in dead organisms back to the ecosystem.

• Supplying energy to the sun

• Consuming living organisms in the ecosystem

• Getting energy from the sun

Consumers are ________________.

• organisms that help break down dead material

• organisms that create energy from the sun

• usually plants

• organisms that get their energy from eating other organisms