Food webs, Energy transfer, and Trophic interactions

A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?

• Hawk
• Rabbit
• Grasshopper
• Mouse

Tags

NGSS.MS-LS2-3

The diagram shows the cycling of nutrients in an ecosystem. The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system? 

• Producers
• Consumers
• Decomposers
• Inorganic nutrients

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Complete burning of plant material returns carbon primarily to the

• herbivores
• water
• vegetation
• atmosphere

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Tags

NGSS.MS-LS2-3

A consumer that hunts is called:

• a producer.
• an omnivore.
• a predator.
• a herbivore.

A food web can be broken down into several seperate

• food chains
• food pyramids
• producers
• consumers

Tags

NGSS.MS-LS2-3

Which represents the largest group in a food web?

• carnivores
• omnivores
• herbivores
• producers

Decomposer is responsible for

• eating all the meat.

• recycle nutrients in an ecosystem.

• eat only plants.

Models the complex network of feeding relationships

• trophic levels

• food webs

• food chains

What is Biomass?

• the total mass of organisms in a given area

• all the compost