Food Webs and Energy in Living Systems

When an organism's energy source comes from both animals and plants, that organism is considered to be a what?

• predator
• omnivore
• herbivore
• carnivore

How do producers obtain energy?

• They conduct photosynthesis.
• They consume plants.
• They consume primary consumers.
• They consume secondary consumers.

Tags

NGSS.MS-LS1-6

How do consumers get their energy? 

• laying in the sun
• eating other organisms 
• providing food for other organisms
• surviving in an ecosystem 

Tags

NGSS.MS-LS2-3

The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect

Tags

NGSS.MS-LS2-3

An organism at the second trophic level would be considered a ________.

• Top carnivore
• Producer
• Herbivore
• Carnivore

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

• Hawk
• Spider
• Grasshopper
• Shrew

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

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

Which of the following best describes the small bird in the food web above?

• primary and secondary consumer
• secondary and tertiary consumer
• primary consumer only
• secondary consumer only

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is this called?

• Food Web

• Food Chain

• Abiotic Factors

• Community

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3