Trophic Levels 10 Percent Rule

What is the source of energy for food chains/food webs?

• the sun (even if not pictured)
• Producers
• Fertilizer
• JOHN CENA!

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What organisms are at the bottom of an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

Tags

NGSS.MS-LS2-3

How much energy is passed on to each trophic level in an energy pyramid?

• 10%
• 90%
• 50%
• 80%

Tags

NGSS.MS-LS2-3

Which organisms have the most available energy in an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

Tags

NGSS.MS-LS2-3

Where do crickets get their energy?

• Cattails
• Marsh Grass
• Grasshoppers
• Shrews

Tags

NGSS.MS-LS2-3

Which organisms in the diagram have the largest total energy to give to other organisms?

• Cattails and Marsh Grass
• Hawks and Snakes
• Crickets and Grasshoppers
• Shrews and Frogs

Tags

NGSS.MS-LS2-3

Which organism is likely to be at the beginning of a food chain for a pond?

• Sunfish
• Freshwater shrimp
• Paramecium
• Green Algae

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these best explains why predators need plants, such as grass, in their ecosystem?

• Plants are a large part of their diets
• Plants provide safety for predators
• Plants break down the organisms that the predators eat
• Plants provide food for their animals that the predators eat

Tags

NGSS.MS-LS1-6

What do the arrows indicate in a food web?

• What eats what
• Where the energy is being transferred
• How the animals are related

Tags

NGSS.MS-LS2-3

If 25,000 kg of vegetation is planted in this ecosystem, how would the lion population change?

• Decrease by 2,500 kg
• Decrease by 25,000 kg
• Increase by 250 kg
• Increase by 250,000

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4