Energy Flow

In the energy pyramid here, which organisms have the most energy available? 

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3

A food chain/food web is intended to show relationships in an ecosystem. What do the arrows represent?

• The direction of population migration
• Differences in dietary habits
• Progressively smaller organisms
• The direction of the energy flow

Tags

NGSS.MS-LS2-3

The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred

• 4 and 5

• 1 and 2

• 2 and 3

• 3 and 4

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population
• rabbit population
• wildflower population
• grass population

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which would be the appropriate term for an organism that eats a producer?

• scavenger
• decomposer
• secondary consumer
• primary consumer

Tags

NGSS.MS-LS2-2

Look at this pyramid. It is most likely to represent

• numbers
• biomass
• energy

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is photosynthesis?

• When organisms use radiant energy to make their own food
• When organisms adapt and can make their own light
• when plants make lights
• When plants take selfies

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Animals must eat other organisms for food, so they are classified as--

• heterotrophs
• autotrophs
• eukaryotic
• prokaryotic

Tags

NGSS.MS-LS2-3

Which of the following is not a decomposer

• Vulture
• Fungus
• Worm
• Bacteria

Which is NOT a role of the decomposers of the planet?

• feed on and breakdown dead organic matter
• help free up the atoms in dead matter so that they can be cycled and used
• to kill the organisms they feed upon
• They help to enrich the soil with nutrients.

Tags

NGSS.MS-LS2-3