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Biotic & Abiotic in an Ecosystem

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What are the two components of an ecosystem?

a)

Microorganisms

b)

Biotic and Abiotic

c)

Living things and non living things

2.

What are the biotic factors?

a)

Soil

b)

Non living things

c)

Living things

d)

Temperature

3.

What are the abiotic factors?

a)

Non living things

b)

Living things

c)

Plants

d)

Animals

4.

Plants, animals, fungi, bacteria. What kind of factor in the ecosystem are these?

a)

Abiotic

b)

Biotic

5.

Light, Soil, Water, Temperature. What kind of factor in an ecosystem are these?

a)

Biotic

b)

Abiotic

6.

Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.

a)

Biotic

b)

Abiotic

7.

Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which type of factor?

a)

Biotic

b)

Abiotic

8.

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

a)

Biotic

b)

Abiotic

9.

Is a deer an abiotic or biotic factor?

a)

abiotic

b)

biotic

10.

These include saprophytes which act on dead matter and decay them for their nutrition.

a)

Producers

b)

Decomposers

c)

Consumers

11.

Is a rock considered abiotic or biotic?

a)

Abiotic

b)

biotic

c)

neither

12.

Is wind a biotic or abiotic factor?

a)

Biotic

b)

Neither

c)

Abiotic

13.

Is water an abiotic factor or is it a biotic factor?

a)

Abiotic

b)

Neither

c)

Biotic

14.
A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .
a)
Biotic and Abiotc Factors
b)
Biotic Factors 
c)
Abiotic Factors 
d)
None of the Above
15.

Which is an example of an abiotic factor in a pond environment?

a)

The water

b)

A frog

c)

A grasshopper

d)

A snake

16.

Which of the following is a biotic factor in an ocean ecosystem?

a)

the salt content of the water

b)

the temperature of the water

c)

the fish in the water

d)

the oxygen in the water

17.

What are the abiotic factors in this image?

a)

water, sunlight, dirt, air

b)

birds, trees, and sunlight

c)

water, trees, and birds

18.

A hollow, sealed glass sphere contains sand, water, air, algae, and tiny brine shrimp. The sphere is a model ecosystem. Which of these is a biotic factor of this ecosystem?

a)

air

b)

algae

c)

sand

d)

water

19.
What are organisms that use other organisms for food in order to gain energy?
a)
decomposers
b)
producers
c)
herbivores
d)
consumers
20.
What type of organism makes its own food?
a)
consumer
b)
carnivore
c)
producer
d)
animal