LE Midterm review (U1 and U2)

In this food web, grass is an example of

• consumer

• autotroph

• decomposer

• producer

Tags

NGSS.MS-LS2-3

The role (job) of decomposers in an ecosystem is to

• carry out autotrophic nutrition

• break down nutrients so they can be recycled

• break down energy so it can be recycled

• perform photosynthesis

Tags

NGSS.MS-LS2-3

In this food web, deer are an example of

• decomposers

• producers

• secondary consumers

• primary consumers

Check all of the abiotic factors in an ecosystem:

• wind

• grass

• water

• mice

Tags

NGSS.MS-LS2-3

Check all of the biotic factors in an ecosystem:

• water

• fish

• fungi

• sunlight

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The bottom level of the energy is (check all that apply)

• autotrophs

• producers

• heterotrophs

• consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The variety (different) life in an ecosystem is called

• ecological succession

• stability

• competition

• biodiversity

Tags

NGSS.MS-LS2-5

What is a positive (good) thing that humans can do for the environment?

• Plant trees to replace ones that are cut down

• Burn coal for electricity

• Use fertilizers and pesticides for crops and golf courses

• Release exotic pets into the wild so they can be free

Tags

NGSS.MS-LS2-5

NGSS.MS-ESS3-3

This picture shows

• nutrient cycling, which takes place over a short period of time

• ecological succession, which takes place over a long period of time

• nutrient cycling, which takes place over a long period of time

• ecological succession, which takes place over a short period of time

Tags

NGSS.MS-LS2-3

Environmental issues, like decrease in nonrenewable resources, habitat destruction, and building factories, are a result of

• scientific experiments

• ecological succession

• poaching

• human population growth

Tags

NGSS.MS-ESS3-4