Science 7 Ecology Test

What is the role of a decomposer in an ecosystem?

• A. To produce food for the rest of the organisms in the ecosystem.

• B. To break down dead organisms and return nutrients to the soil.

• C. To help remove plastic trash from the ecosystem.

• D. All of the above.

Tags

NGSS.MS-LS2-3

Photosynthesis is vital to plants/producers because:

• It is why the sun shines.

• It is the process that plants use to make food.

• It is how plants reproduce.

• None of the above.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A close and permanent relationship between different species of organisms is called…

• Courting

• Symbiosis

• Going Steady

• Long term

Autotroph is to ________ as heterotroph is to ________.

• A. Producer, consumer

• B. Consumer, producer

• C. Herbivore, carnivore

• D. Carnivore, herbivore

Tags

NGSS.MS-LS2-3

Which of these is an abiotic factor in an ecosystem?

• White Tailed Deer

• The sun.

• Largemouth Bass

• A spider.

Tags

NGSS.MS-LS2-3

Choose the best example for a population in an ecosystem.

• The # of Gray Wolves are in Yellowstone National Park.

• The # of Bald Eagles are in Alaska.

• The # of Nubian Giraffes are found in Kenya.

• All of the above.

Biotic factors in an ecosystem include all of the following except…

• A. Water

• B. Fish

• C. Turtles

• D. Insects

Which of the following is considered to be a producer.

• Fox

• Grass

• Ants

• Mountain Lion

Tags

NGSS.MS-LS2-3

A fox eats berries from a bush but also will eat a small rabbit. The fox is considered to be a..

• Producer

• Carnivore

• Herbivore

• Omnivore

A sheep grazes on grasses, weeds, and hay. The sheep is considered to be a …

• Producer

• Carnivore

• Herbivore

• Omnivore