Trophic Interactions in Biology

Organisms that use energy from the sun to make their own food are called

• carnivores

• omnivores

• heterotrophs

• autotrophs

Tags

NGSS.MS-LS1-6

In a food chain, what are organisms on the second trophic level called?

• producer

• primary consumer

• carnivore

• secondary consumer

Tags

NGSS.MS-LS2-3

The ultimate/original source of all energy is from

• the Sun

• carbohydrates

• ATP

• lipids

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In general, which trophic level has the LEAST energy available to it?

• producer/autotroph

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Organisms that create their own energy from sunlight or chemicals

• Herbivore
• Omnivore
• Autotroph
• Heterotroph 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Biomass refers to

• Chemical Energy
• Light Energy
• Rank in the feeding heirarchy
• Amount of living tissue in an ecosystem

An organism that obtains energy by eating other organisms.

• Consumer
• Producer
• Decomposer
• Detriov

Animals that eat primary producers (also known as herbivores)

• Producers
• Primary Consumers
• Secondary Consumers
• Tertiary Consumers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3