Energy Flow

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

Answer explanation

The bottom of the energy pyramid has the most energy available, so it also passes along the most energy to the next trophic level on the pyramid.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The shrew provides energy for the ...?

• cricket
• grasshopper
• frog
• snake

Tags

NGSS.MS-LS2-3

Where does the energy for all life forms ultimately originate?

• Earth's Core

• Water

• Plants

• The Sun

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-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.MS-LS1-6

NGSS.MS-LS2-3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

• 100%
• 10%
• 50%
• 75%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

Tags

NGSS.MS-LS2-3

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What are interconnected food chains called?

• consumers
• predators
• food web

Tags

NGSS.MS-LS2-3