Ecosystems Assessment 5.L.2.2

Which has the greatest affect on the amount of salt in a salt marsh?

• the number of animals living in the marsh

• the closeness of the marsh to the ocean

• the depth of the water in the marsh

• the temperature of the water in the marsh

Tags

NGSS.MS-LS2-1

• carnivore

• consumer

• herbivore

• producer

Tags

NGSS.MS-LS2-3

Which ecosystem is characterized by a large population of maple, hickory, and beech trees?

• tropical rain forest

• taiga

• tundra

• deciduous forest

What will be most affected if the decomposers in an ecosystem are removed?

• the spread of disease

• the availability of water

• the quality of soil

• the distribution of organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A food chain in an ecosystem includes blackberry bushes, deer, and wolves.

Deer eats blackberries.

Wolves eat deer.

If the population of wolves decreases, how will the affect the population of blackberry bushes?

• It will decrease because there are fewer deer

• It will increase because there are fewer deer

• It will decrease because there will be more deer

• It will increase because there will be more deer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which are some abiotic factors in an ecosystem?

• sun, rocks, water

• berries, sun, slugs

• consumer, producers, decomposers

• convection

Tags

NGSS.MS-LS2-3

What would most likely result if plants in an ecosystem are destroyed?

• Consumer population would increase because more sunlight would reach the grounds

• Decomposer population would increase because more sunlight would reach the grounds

• Consumer populations would decrease because plants provide them with water

• Consumer populations would decrease because plants provide them with energy

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Is an estuary an aquatic or terrestrial ecosystem?

• aquatic

• terrestrial

What type of animal usually eats both producers and consumers?

• predator

• carnivore

• herbivore

• omnivore

Which is most responsible for recycling dead plants and animals in an ecosystem?

• water

• bacteria

• fish

• insects

Tags

NGSS.MS-LS2-3