Energy Flow

Arrows in a food web represent...

• eating

• sunlight

• energy

• matter

Tags

NGSS.MS-LS2-3

Who is the producer?

• lettuce

• greenfly

• ladybird

• thrush

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which model below correctly represents the flow of energy in a food chain?

• plants --> insects --> salmon --> bears

• insects --> plants --> bears --> salmon

• bears --> salmon --> insects --> plants

• salmon --> bears --> plants --> insects

Tags

NGSS.MS-LS2-3

The amount of energy producers provide primary consumers is 55,000 joules. The amount of energy the primary consumers provide the secondary consumers is 5,500 joules. Based on the 10% rule, how much energy is provided to tertiary consumers?

• 550,000 J

• 5,500 J

• 550 J

• 55 J

Tags

NGSS.MS-LS2-3

The amount of energy producers provide primary consumers is 55,000 joules. The amount of energy the primary consumers provide the secondary consumers is 5,500 joules. Based on the 10% rule, how much energy is provided by the producers?

• 550,000 J

• 5,500 J

• 550 J

• 55 J

Tags

NGSS.MS-LS2-3

The food web below shows some of the feeding relationships among organisms in Arctic waters.

Which organisms would receive the least amount of total energy available?

• seals

• shrimp

• baleen whales

• toothed whales

Tags

NGSS.MS-LS2-3

The figure below shows a food chain that might exist in a meadow.

What would happen if the frog population decreased?

• the snakes would have less to eat and the owls would eventually have less to eat

• there would be fewer beetles

• the plants would increase in number

• owls would start eating beetles

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Identify a food chain from the food web

• hawk -> spider -> grasshopper -> plants

• sun -> spider -> grasshopper -> weasel -> hawk

• sun -> plants -> grasshopper -> spider -> shrew -> weasel -> owl

• owl -> weasel -> shrew -> spider -> grasshopper -> plants -> sun

Tags

NGSS.MS-LS2-3

Identify the producers in the food web.

• algae, phytoplankton

• octopus, limpet

• starfish, shark

• seagull, octopus

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Identify a primary consumer in the food web.

• algae, phytoplankton

• limpet

• starfish

• octopus

Tags

NGSS.MS-LS2-2