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-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

All energy on Earth ultimately comes from what source? (a)  

• Water
• Sun
• Consumers
• Oxygen

Tags

NGSS.MS-LS1-6

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

Tags

NGSS.MS-LS2-3

An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Tags

NGSS.HS-LS2-4

NGSS.HS-LS4-2

Which of the following is a food chain in the food web?

• Rabbit, mountain lion, fox

• Grass, grasshopper, frog, snake, hawk

• Grass, caterpillar, robin, mountain lion

• Tree, deer, mountain lion, fox

Tags

NGSS.MS-LS2-3

Which of the following is defined as a consumer that must get its food from a different source than itself?

• Producer

• Heterotroph

• Autotroph

• Homotroph

What is the purpose of a decomposer?

• To break down dead materials and waste from consumers

• Eat living organisms

• Perform photosynthesis to make carbohydrates

• Make carbohydrates using chemical energy.

Tags

NGSS.MS-LS2-3

A food web is a single linear path showing the flow of energy from one organism to another. It is not an interconnected relationship diagram of organisms in a community.

• TRUE

• FALSE

Tags

NGSS.MS-LS2-3

Match the following:

• Plant

• Herbivore

• Owl

• Tertiary Consumer

• Bird

• Secondary Consumer

• Snake

• Top Predator

• Grasshopper

• Producer/Autotroph

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3