5th Grade Science Benchmark 2

Which best describes an ecosystem?

• a system where populations stay the same

• anywhere there is only one kind of organism

• a system where living and nonliving things interact

• a place where there is always rain, soil, sunlight, and air

Which ecosystems is best described by the abiotic factors shown in the data table below?

• desert

• grassland

• pond

• tropical forest

Tags

NGSS.MS-LS2-1

All of the following are characteristics of ponds and lakes EXCEPT

• They are large bodies of salt water divided by continents

• Plants and algae usually grow along the edges.

• They are bodies of freshwater surround by land.

• Some examples of animals include ducks, turtles, or beavers.

Which of the following is an abiotic factor for the pond ecosystem shown below?

• water lily

• algae

• fish

• sunlight

What type of ecosystem is shown in the picture below?

• grassland

• wetland

• lake

• ocean

What would be considered a biotic factor for a frog's habitat?

• the algae where the frog lays its eggs

• the air that the frog breathes

• the water in which the frog lives

• the rocks on which the frog suns itself

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following describes a population?

• all of the sunfish, bass, and catfish living in a lake

• all of the mice living in a barn

• a squirrel eating acorns

• a log providing shelter for beetles, spiders, and snakes

The pond ecosystem show below includes a number of different types of birds, mammals, reptiles, and fish. All of these make up the ecosystem’s ___________.

• abiotic factors

• population

• community

• microorganisms

Tags

NGSS.MS-LS2-2

Which level would describe the space labeled W in the diagram below?

• Habitat

• Biome

• Organism

• Population

A prairie provides resources needed to support which organism?

• black bears

• grass

• sea gulls

• oak trees

Tags

NGSS.MS-LS2-1