Science NC Check In

A food chain in an ecosystem includes blackberry bushes, deer, and wolves. (Deer eat blackberries, wolves eat deer). If the population of wolves decreases, how will this affect the population of blackberry bushes?

• It will decrease because there will be fewer deer

• It will increase because there will be 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-LS2-4

What would most likely result if all plants in an area were destroyed?

• Consumer populations would increase because more sunlight would reach the ground

• Decomposer populations would increase because more sunlight would reach the ground

• Consumer populations would decrease because plants provide them with water

• Consumer populations would decrease because pants provide them with energy

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A mouse eats seeds and insects. Which best describes the role of the mouse?

• consumer

• decomposer

• herbivore

• producer

Tags

NGSS.MS-LS2-1

Which would most likely cause a decrease in a population of herbivores?

• an increase in producers

• a decrease in decomposers

• an increase in plants

• an increase in carnivores

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which type of animal usually eats both producers and consumers?

• omnivores

• carnivores

• herbivores

• predator

Tags

NGSS.MS-LS2-2

Which classification best describes herbivores?

• producers

• consumers

• predators

• decomposers

Tags

NGSS.MS-LS2-1

Which has the greatest effect 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

How do plants return water back into the environment?

• by evaporation

• by condensation

• by runoff

• by transpiration

Tags

NGSS.MS-ESS2-4

Water droplets forming on the outside of a cold glass of water on a hot, summer day is an example of which part of the water cycle?

• condensation

• evaporation

• precipitation

• transpiration

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Why are liquids sometimes used in a thermometer?

• because most liquids condense when heated and evaporate when cooled

• because most liquids melt when heated and freeze when cooled

• because most liquids contract when heated and expand when cooled

• because most liquids expand when heated and contract when cooled

Tags

NGSS.MS-PS1-4