S7L5B

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

What percentage of energy is passed on to each tropic level?

• 10%

• 50%

• 90%

• 100%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A food web can be broken down into several seperate

• food chains

• food pyramids

• producers

• consumers

Tags

NGSS.MS-LS2-3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.

• The number of primary consumers would increase.

• The number of plants would increase.

• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the planet listed has a length of rotation closets to the length of one rotation of the Earth?

• A

• B

• C

• D

Which model below presents the most accurate explanation for the apparent movement of the Sun across the sky as shown?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-1

At which of these points is it midnight?

• Top

• Left

• Right

• Bottom

True or False

Earth is tilted on its axis

• True

• False

Tags

NGSS.MS-ESS1-1

Earth has four distinct seasons

• True

• False

Tags

NGSS.MS-ESS1-1