Energy Flow (7.5B)

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

Tags

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-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

The shrew provides energy for the ...?

• cricket
• grasshopper
• frog
• snake

Tags

NGSS.MS-LS2-3

The way energy is passed from one organism to another

• food chain
• energy
• extinct
• habitat

Tags

NGSS.MS-LS2-3

Where do all life forms get their energy?

• Earth's Core
• Water
• Plants
• The Sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

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-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

NGSS.MS-LS2-2

What is a trophic level?

• Each energy/food level within a food chain or web.
• Levels of ecosystems that the world is divided into.
• Different levels of nutrients present within an organism.
• The levels of sunlight an autotroph needs to survive. 

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-LS2-3

NGSS.MS-LS1-6

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

• population
• niche
• abitotic
• ecosystem