Food Web Changes and Effects

Match the following

• Producer

• Hawk

• Secondary Consumer

• Mouse

• Primary Consumer

• Grass

• Tertiary Consumer

• Snake

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If the grasshopper population increases......

the grass population will most likely - (a)   because (b)   .

The bird population will most likely - (c)   because (d)   .

• decrease

• increase momentarily

• it is being eaten

• it has more food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If the rabbit population increases, the grass population will most likely (a)   because (b)   .

The fox population will most likely (c)   because (d)   .

• decrease

• increase momentarily

• it is being eaten more

• it has more to eat

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If the grass population decreases, the grasshopper population will most likely (a)   .

If the grass population increases, the grasshopper population will most likely (b)   .

• decrease
• increase
• stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Match the following

• mackerel

• tertiary consumer

• plankton

• primary consumer

• tuna and cod

• secondary consumer

• krill and scallop

• producer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The producer is (a)   and the primary consumer is (b)   . If the phytoplankton decreases, the krill will (c)   .

• increase

• stay the same

• phytoplankton

• krill

• seal

• decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The (a)   eats the (b)   , so if the seal population increases, the cod population will (c)   .

• seal

• cod

• decrease

• increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

These are all primary consumers.

• Krill

• Herring

• Tuna

• Scallops

Tags

NGSS.MS-LS2-1

The (a)   is preyed on by the (b)   , so if the cod population decreases, the scallops will (c)   .

• scallop

• cod

• increase

• decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If the top predator, the SEAL, is removed, which of the following will occur? (select 2)

• The COD may become overpopulated.

• The COD population will decrease.

• The TUNA will have less competition.

• Will not be affected.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4