Y8 ECOSYSTEMS - Interdependence

In this food web, which of these is a producer?

• squirrel

• grass

• cricket

• deer

Tags

NGSS.MS-LS2-3

In this food web, select all of the animals which are primary consumers.

• squirrel

• blue bird

• wolf

• deer

Tags

NGSS.MS-LS2-2

If the mouse population decreased which of these statements would be TRUE

• the owl would lose it's only food source and their population would decrease.

• the population of wild cats would increase because there is more food available.

• the rabbit would lose it's only food source and their population would decrease.

• the population of snakes would increase because there is more food available.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

the animal with the most sources of food and therefore the most secure population is the...

Tags

NGSS.MS-LS2-1

If the producers in a food web were to die this would affect every animal in the food web.

• TRUE

• FALSE

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If the wolf dies the population of deer will

• increase

• stay the same

• decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

"All organisms in an ecosystem depend upon each other. If the population of one organism rises or falls, then this can affect the rest of the ecosystem."

This is the definition of...

• interdependence

• ecology

• ecosystems

• dependability

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If the omnivores were to increase in population the carnivores would

• increase in population as there would be more food available

• decrease in population because their food source is decreasing

• stay the same - their population would not change

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An animal with more food sources has a more stable diet and is least susceptible to changes in the food web.

• TRUE

• FALSE

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Animals which have only 1 food source in a food web have a more stable diet because their food is easy to find.

• TRUE

• FALSE