Biotic & Abiotic Factors in Ecosystems


Biotic & Abiotic Factors in EcosystemsVersion en ligne Quiz on living vs nonliving factors par Jeevhen Shane Quindica 1 What is a biotic factor in an ecosystem? a A nonliving component b The amount of sunlight c A living component of the ecosystem d The pH level of soil 2 Which of the following is an abiotic factor? a Herbivores b Plants c Fungi d Temperature 3 Which interaction is a biotic factor interaction? a Wind erosion b Soil pH c Solar radiation d Predation 4 Which example best shows a biotic factor affecting an ecosystem? a Ambient temperature b Rainfall pattern c Soil moisture level d Competition between species 5 How do abiotic factors influence species distribution? a They constrain where species can live b They create predators c They determine only genetic traits d They do not affect distribution 6 Which is an abiotic factor crucial to water ecosystems? a Mangrove trees b Algae c Fish populations d Salinity levels 7 What describes a biotic factor's role in a food web? a Energy and nutrient transfer through organisms b Soil mineral content c Wind speed d Sunlight exposure 8 Which statement about abiotic factors is true? a They are nonliving physical and chemical components b They are always alive c They are only gases d They include pathogens 9 Decomposition is an example of which type of factor? a Physical factor b Biotic factor c Abiotic factor d Chemical factor 10 If rainfall decreases, which is most likely? a Abiotic factors become more limiting for plants b Biotic factors increase in diversity c Predation rises dramatically d Mutation rates spike Feedback 1 Biotic factors are living organisms and their interactions. 2 Abiotic factors are nonliving elements like climate and soil. 3 Predation involves living organisms interacting. 4 Competition involves living organisms competing for resources. 5 Abiotic conditions like temperature and water limit where organisms can survive. 6 Salinity is a nonliving chemical property of water. 7 Biotic factors drive trophic interactions and energy flow. 8 Abiotic factors include temperature, pH, moisture, etc. 9 Decomposers are living organisms, a biotic process. 10 Water availability (abiotic) directly limits plant growth and ecosystem structure.

1

What is a biotic factor in an ecosystem?

a

A nonliving component

b

The amount of sunlight

c

A living component of the ecosystem

d

The pH level of soil

2

Which of the following is an abiotic factor?

a

Herbivores

b

Plants

c

Fungi

d

Temperature

3

Which interaction is a biotic factor interaction?

a

Wind erosion

b

Soil pH

c

Solar radiation

d

Predation

4

Which example best shows a biotic factor affecting an ecosystem?

a

Ambient temperature

b

Rainfall pattern

c

Soil moisture level

d

Competition between species

5

How do abiotic factors influence species distribution?

a

They constrain where species can live

b

They create predators

c

They determine only genetic traits

d

They do not affect distribution

6

Which is an abiotic factor crucial to water ecosystems?

a

Mangrove trees

b

Algae

c

Fish populations

d

Salinity levels

7

What describes a biotic factor's role in a food web?

a

Energy and nutrient transfer through organisms

b

Soil mineral content

c

Wind speed

d

Sunlight exposure

8

Which statement about abiotic factors is true?

a

They are nonliving physical and chemical components

b

They are always alive

c

They are only gases

d

They include pathogens

9

Decomposition is an example of which type of factor?

a

Physical factor

b

Biotic factor

c

Abiotic factor

d

Chemical factor

10

If rainfall decreases, which is most likely?

a

Abiotic factors become more limiting for plants

b

Biotic factors increase in diversity

c

Predation rises dramatically

d

Mutation rates spike

Feedback

1

Biotic factors are living organisms and their interactions.

2

Abiotic factors are nonliving elements like climate and soil.

3

Predation involves living organisms interacting.

4

Competition involves living organisms competing for resources.

5

Abiotic conditions like temperature and water limit where organisms can survive.

6

Salinity is a nonliving chemical property of water.

7

Biotic factors drive trophic interactions and energy flow.

8

Abiotic factors include temperature, pH, moisture, etc.

9

Decomposers are living organisms, a biotic process.

10

Water availability (abiotic) directly limits plant growth and ecosystem structure.