What does the direction of the arrow represent in a food chain or energy pyramid?

• the flow of energy
• which way is north
• the expenditure of energy
• increase of energy

Tags

NGSS.MS-LS2-3

What do we call several different populations interacting in some way?

• Population
• Community
• Ecosystem
• Biome

Tags

NGSS.MS-LS2-2

How might abiotic factors change in an ecosystem?

• Plants making more food with more sun and water

• Trees burning in a forest fire

• A drought making less water available

• Increased sea urchin populations from otter deaths

What is an animal called that eats only plants?

• Carnivore
• Omnivore
• Parasite
• Herbivore

All living things on earth are part of the....

• Biosphere
• Geosphere
• Hydrosphere
• Cryosphere

Tags

NGSS.MS-LS2-2

An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

Tags

NGSS.HS-ESS1-1

NGSS.HS-LS1-5

NGSS.HS-LS2-5

How much energy is available to be passed on to the next trophic level in an ecosystem?

• 100%
• 10%
• 50%
• 75%

Tags

NGSS.MS-LS2-3

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

Tags

NGSS.MS-LS2-3

The largest group of organisms found in a food web would be:

• Primary Consumers
• Producers
• Decomposers
• Tertiary Consumers

Tags

NGSS.MS-LS2-2