Energy Flow and Cycles of Matter

What is the process where oxygen is exchanged between the earth and the atmosphere called?

• Water cycle

• Carbon cycle

• Oxygen cycle

• Nitrogen cycle

In this food web, which of the following organisms eats the largest variety of different producers?

• Mouse

• Grasshopper

• Dragonfly

• Butterfly

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 is the primary source of energy for the ecosystem pictured above?

• Grass and Green plants

• Hawks and Deer

• Tadpoles and Fish

• Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 

• How much energy a particular organism needs. 

• How much energy is needed to build a pyramid. 

• The amount of energy available to the next 'feeder' in a food web.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How much energy is available to be passed on to the next level in a food web?

• 100%

• 10%

• 50%

• 75%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A diagram  that shows how much energy is available at each feeding level in an ecosystem is a(n)

• food chain

• food web

• water cycle

• energy pyramid

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Grass is considered a ...

• consumer

• producer

• decomposer

• composers

Tags

NGSS.MS-LS1-6

In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?

• Herbivore

• Carnivore

• Omnivore

• Secondary Consumer

Tags

NGSS.MS-LS2-3

Which of the following removes carbon from the atmosphere?

• Combustion

• Respiration

• Photosynthesis

• Death

Tags

NGSS.MS-LS1-6