Analyzing Food Webs

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What would happen if the grizzly bear decreased in this food web?

• There would be less red tail hawks.

• There would be more deer.

• There would be a decrease in chipmunks.

• There would be increase in butterflys.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An species that influences the survival of many other species in an ecosystem.

• invasive species

• keystone species

• producers

• gemstone species

Tags

NGSS.MS-LS2-4

If there is more food than usual in an ecosystem, then the population will mostly likely...

• stay the same
• decrease
• increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What does the root "bio" mean...

• living

• nonliving

• toxic

• variety

What does the root "diversity" mean...

• living

• nonliving

• toxic

• variety

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-4

According to the food chain, which statement is TRUE?

• The hawk eats more types of organisms than the shrew

• The hawk eats fewer types of organisms than the shrew

• The hawk and the shrew eat the same amount of organisms

• Hawks and shrews are at the same trophic level

Tags

NGSS.MS-LS2-3

According to this food web, which statement is TRUE?

• Weasels get their energy from plants

• Weasels get their energy from shrews

• Weasels get their energy from owls

• Weasels get their energy from hawks

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Seals eat fish. What would happen to the seal population if almost all of the fish died?

• The population would grow.

• The population would shrink.

• The population would stay the same. 

• None of the above. 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

On average, how much energy is passed from one level of a food chain to another?

• 10%

• 90%

• 100%

• 50%

Tags

NGSS.MS-LS2-3