4.9AB - Science

What do producers need for photosynthesis?

• water and oxygen only

• sunlight only

• sunlight, water, and carbon dioxide only

• sunlight, water, and oxygen only

Tags

NGSS.MS-LS1-6

What is the role of a cactus in a desert ecosystem?

• consumer

• omnivore

• carnivore

• producer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A food chain is shown above:

Which organism obtains its energy directly from a producer in this food chain?

• sun

• phytoplankton

• krill

• squid

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Deer in an ecosystem consume plants for energy. Wolves in that same ecosystem consume deer for energy.

Which of the following correctly describes roles in this ecosystem?

• Plants are prey and deer are predators.

• Deer are prey and wolves are predators.

• Both deer and wolves are predators.

• Wolves are prey and deer are predators.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A partial woodland food web is shown above.

In this food web, energy is transferred directly between the –

• seeds and mouse.

• grass and snake.

• rabbit and mouse.

• leaves and red-tailed hawk.

Tags

NGSS.MS-LS2-3

A partial woodland food web is shown above.

What is the source of energy for this food web?

• seeds

• red-tailed hawk

• the Sun

• grass

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which change would most likely occur if red-tailed hawks were removed from this ecosystem?

• There would be fewer snakes.

• There would be more seeds.

• There would be more rabbits.

• There would be fewer mice.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which role in an ecosystem is missing from this food web?

• predator

• consumer

• producer

• decomposer

Tags

NGSS.MS-LS2-3

What is a producer?

• an organism that eats to get energy

• an organism that breaks down dead animals for energy

• an organism that makes its own energy

• none of the above

What is a consumer?

• an organism that makes its own energy

• an organism that breaks down dead animals for energy

• an organism that eats for energy

• none of the above

Tags

NGSS.MS-LS2-2