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Competition for Biotic & Abiotic Factors

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Click the 2 BIOTIC factors that organisms compete for in an ecosystem.

a)

Food

b)

Light

c)

Chance to Mate

d)

Water

2.

Click the 2 ABIOTIC factors that organisms compete for in an ecosystem.

a)

Food

b)

Light

c)

Chance to Mate

d)

Water

3.

A living thing composed of at least one cell...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

4.

A group of organisms of the SAME SPECIES that live in the SAME AREA...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

5.

Made up of ALL THE POPULATIONS of DIFFERENT SPECIES that live and interact in an area...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

6.

A community of ALL ORGANISMS AND THEIR NONLIVING ENVIRONMENT...

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

7.

All of the plants in a rainforest rely on sunlight for photosynthesis. The forest can get very dense and ______________ occurs between plant species.

a)

Extinction

b)

Competition

8.

Which is a NEGATIVE outcome of competition?

a)

species are able to thrive and reproduce

b)

species lack of resources leads to extinction

9.

Which of the following would be a BIOTIC resource that organisms compete for?

a)

Water

b)

Light

c)

Food

d)

Space

10.

If the caterpillars are killed by pesticides, what organisms would have to find another food source or starve?

a)

Grasshoppers

b)

Snake

c)

Rabbit

d)

Blue Jay

11.

What two organisms compete for the ground squirrel?

a)

Kit Fox & Golden Eagle

b)

Scorpion & Grasshopper

12.

A great blue heron catches fish near the edge of the pond. Which bird will compete with the great blue heron for the SAME hunting spots and similar prey?

a)

Mallard

b)

Pied-billed grebe

c)

Great Egret

13.

The graph below shows information about eating habits of white-tailed deer. Which ranch animals compete for the SAME food as the white-tailed deer?

a)

Cattle that eat grass and feed

b)

Goats that eat weeds and shrubs

14.

Which biome has moist and fertile soil that supports abundant plant life?

a)

Desert

b)

Forest

15.

A cactus has a shallow, far-reaching roots system that helps it compete for.....

a)

air

b)

light

c)

water