Competition

Organisms compete over---

• food

• shelter

• oxygen

• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers

• The number of plants would increase

• The number of primary consumers would increase

• The number of secondary consumers would increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What would be the effect of a sudden increase in the cricket population?

• There would be a decrease in the small bird population

• There would be a decrease in the mice population

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

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Plant roots helps trees compete for

• space/water

• soil

• heat

• light

Tags

NGSS.MS-LS2-1

What type of relationship is this?

• Predator-Prey

• Producer-Consumer

• Parasite-Host

Black walnuts _____ competition by making chemicals that are toxic to other plants

• reduce

• increase

Tags

NGSS.MS-LS2-4

When trees grow closely together, they compete for__

• soil

• water

• sunlight

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which two organisms are in competition?

• A & C

• A & E

• B & D

• A & C & D & E

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4