Ecosystem EOG Review

Which best compares lakes and oceans?

• both are large bodies of freshwater

• both are large bodes of saltwater

• only lakes include fish

• only oceans include corals

An organism gets the nutrients it needs by breaking down dead leaves. Which is the best way to classify the organism?

• as a producer

• as a decomposer

• as a herbivore

• as a consumer

Tags

NGSS.MS-LS2-3

Which is a living part of both a grassland and a forest ecosystem?

• soil

• pine tree

• shrub

• rocks

Which best explains why a population of cactuses in a desert all have bright red flowers?

• the population members got this trait from the desert ecosystem

• the parents inherited this trait from their offspring

• The offspring learned this trait from their parents.

• The offspring inherited this trait from their parents.

Tags

NGSS.MS-LS4-4

Which best describes an ecosystem?

• all the living and nonliving things in an area

• all the organisms of the same kind in an area

• a large area, such as a forest

• a place where many organisms live

Which describes one way that energy is transferred in a food chain?

• from one producer to another producer

• from consumer to a producer

• from a producer to a consumer

• from producer to the sun

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Eelgrass is a major source of food for birds and turtles in an estuary. What will most likely happen to the bird and turtle populations if people remove the eelgrass to build a bridge?

• the turtle population will increase, but the bird population will decrease

• both the bird and turtle population will increase

• the bird population will increase, but the turtle population will decrease

• bot the bird population and the turtle population will decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How do bacteria most likely affect birch trees in a forest?

• bacteria add nutrients to soil that birch trees need

• bacteria help birch trees reproduce by spreading pollen

• bacteria provide energy that birch trees need

• bacteria help birch trees reproduce by spreading seeds

Tags

NGSS.MS-LS2-2

Which best compares bacteria and sharks?

• bacteria is unicellular, and sharks are multicellular

• bacteria are multicellular, and sharks are unicellular

• bacteria have transport systems, while sharks do not

• bacteria reproduce, while sharks do not

Tags

NGSS.MS-LS1-1

Which organism is the best example of consumer?

• algae

• fungus

• racoon

• pine tree

Tags

NGSS.MS-LS2-3