NGSS.HS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.HS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.HS-LS2-3

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

Tags

NGSS.HS-LS2-3

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

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.HS-LS2-3

In the energy pyramid shown, which organism has the least amount of biomass?

• Producers
• Herbivores
• Carnivores
• Top Predator

Tags

NGSS.HS-LS2-3

What is 'nitrogen-fixing' or 'nitrification'.

• Converting atmospheric nitrogen (N₂) into an usable, organic form.

• Changing nitrogen into ammonia.

• Taking nitrogen from the atmosphere and making it usable.

• All of these selections are suitable answers.

Tags

NGSS.HS-LS2-3

On a food web, the arrows show...

• what eats what.

• where the energy is going.

• what each organism hunts.

• who is friends with whom.

Tags

NGSS.HS-LS2-3

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

• Assimilation

• Fixation

• Ammonification

• Denitrification

Tags

NGSS.HS-LS2-3

The direction of an arrow in a food chain represents

• the flow of energy from organism B to A

• the movement of organisms

• the directionality of the sun

• the flow of energy from organism A to B

Tags

NGSS.HS-LS2-3

What happens when too much Nitrogen finds its way to the ocean?

• Algae Bloom

• Acid Precipitation

• Nitrogen Fixation

• Decomposition

Tags

NGSS.HS-LS2-3