Interdependence of Organisms

Hawks and owls eat the same thing. That relationship is called ___________.

• adaptation

• competition

• parasitism

• mutualism

Tags

NGSS.MS-LS2-2

An ecosystem is a few communities that live together in one habitat and have mutual interaction with one another including all the non living components such as water, air and soil.

• True

• False

Which example shows a relationship between a living things and a nonliving thing?

• An insect is food for a salmon

• Water carries a rock downstream

• A tree removes a gas from the air

• A flower makes food for a butterfly

Tags

NGSS.MS-LS2-3

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-2

What type of diagram is this?

• Pyramid of Number

• Food Chain

• Pyramid of Biomass

• Food Web

Tags

NGSS.MS-LS2-3

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Each step in a food chain or web is called a

• trophic level

• consumer

• predator prey relationship

• mutualism

Tags

NGSS.MS-LS2-3

Which of the following best describes the concept of interdependence in an ecosystem?

• Organisms rely solely on abiotic factors for survival.

• Organisms depend on each other for resources and survival.

• Organisms compete with each other for dominance.

• Organisms are independent and do not interact.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In a food web, what role do decomposers play in the interdependence of organisms?

• They produce energy for primary consumers.

• They break down dead organisms, returning nutrients to the soil.

• They compete with predators for food.

• They provide shelter for herbivores.

Tags

NGSS.MS-LS2-3

Which of the following is an example of mutualism, a type of interdependence between organisms?

• A lion hunting a zebra.

• A bee pollinating a flower.

• A cat chasing a mouse.

• A tree shading a small plant.

Tags

NGSS.MS-LS2-2