Energy in Ecosystems

6. Which of the following food chains describes a food chain from primary consumers to decomposers?

• tree --> deer --> mountain lion --> bacteria

• squirrel --> fox --> bacteria

• bacteria --> mountain lion --> deer

• grass --> rabbit --> fox --> bacteria

The producer in this diagram is:

• A

• B

• C

• D

What is the primary source of all energy in the ecosystem? 

• producers
• sun
• consumers
• decomposers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following correctly explains trophic levels? 

• a classification of animals based on energy consumption
• a classification of abiotic factors based of energy consumption
• a classification of biotic factors based on how energy is consumed
• none of the above 

Tags

NGSS.MS-LS2-3

this picture represents what kind of organism? 

• carnivore
• herbivore
• super predator
• omnivore

Tags

NGSS.MS-LS4-2

what type of organism is represented in this photo?

• carnivore
• omnivore
• herbivore

Which of these is a "producer"?

• An oak tree
• A wolf
• A squirrel
• A mushroom

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which of these is always a primary consumer, and thus only eats plants?

• Herbivore
• Omnivore
• Carnivore
• Producer

Which of these can be a primary or a secondary consumer, as it eats both plants & animals?

• Herbivore
• Omnivore
• Carnivore
• Producer

Which of these is usually a predator, because they do not eat plants.

• Herbivore
• Omnivore
• Carnivore
• Producer