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Ecology: How Living and Non-Living Things Interact

Total questions: 34

Worksheet time: 30mins

Name
Class
Date
1.

Which of the following is a biotic factor?

a)

Water

b)

Animals

c)

Temperature

d)

Rocks

2.

Is wind a biotic or abiotic factor?

a)

biotic

b)

abiotic

3.

Is soil a biotic or abiotic factor?

a)

biotic

b)

abiotic

4.

Are rocks biotic or abiotic factors?

a)

biotic

b)

abiotic

5.

Is temperature a biotic or abiotic factor?

a)

biotic

b)

abiotic

6.

Is water a biotic or abiotic factor?

a)

biotic

b)

abiotic

7.

Are producers biotic or abiotic factors?

a)

biotic

b)

abiotic

8.

Are consumers biotic or abiotic factors?

a)

biotic

b)

abiotic

9.

Are decomposers biotic or abiotic factors?

a)

biotic

b)

abiotic

10.

Is sunlight a biotic or abiotic factor?

a)

biotic

b)

abiotic

11.

Abiotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

12.

Biotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

interactions between living and non-living things

d)

not important parts of ecosystems.

13.

An ecosystem is made up of __________.

a)

living things only

b)

non-living things only

c)

both living and non-living things

14.

Is a deer an abiotic or biotic factor?

a)

abiotic

b)

biotic

15.

Is a rose an abiotic or biotic factor?

a)

abiotic

b)

biotic

16.

Which of the following is the first level of organization in ecology?

a)

Population

b)

Community

c)

Individual/Organism

d)

Ecosystem

17.

At which level of organization do scientists study a group of the same species living in an area?

a)

Community

b)

Population

c)

Ecosystem

d)

Biosphere

18.

What is an individual?

a)

One individual member (organism) of a species

b)

a group of individuals of a species

c)

all the different populations of a species that live in an area together

d)

a community of organisms and their physical environment

19.

What is a population?

a)

One individual member of a species

b)

a group of individuals that belong to the same species and live in the same area

c)

all the different populations of species that live together in an area

d)

a community of species and the physical environment

20.

What is a community?

a)

One individual of a species

b)

a group of individuals living together in an area

c)

all the populations of different species living together in an area

d)

different communities and their physical environment

21.

What is an ecosystem?

a)

One individual of a species

b)

a group of individuals of a species that live in the same area

c)

all the different species in an area

d)

all the communities in an area and the non-living factors in the environment

22.

Which is an example of an individual?

a)

One rabbit

b)

Many families of rabbits living together in a field

c)

Rabbits, hawks, and foxes living together in an area

d)

an area of hot climate and little rain where many communities live together

23.

What is an example of a population?

a)

One lion

b)

A group of lions living in the same area

c)

Lions, gazelles, and elephants

d)

A savannah

24.

What is the definition of organism?

a)

All the different populations that live together

b)

A single living thing

c)

The community of organisms with abiotic components in a particular area.

d)

All the members of one species living in a particular area

25.

The ecological role an organism performs in its specific environment is considered the organism's...

a)

Habitat

b)

Biome

c)

Population

d)

Niche

26.

Cattle egrets forage feed in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
27.

A relationship between two organisms in which one organism benefits and the other is not affected...

a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
28.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
29.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
30.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. 
a)
parasitism
b)
commensalism
c)
mutualism
31.
In a parasitic relationship, one organism is ___________ and one organism is benefiting. 
a)
helped
b)
harmed
c)
not effected
d)
happy
32.
Commensalism is where one organism is benefiting and the other organism is _____________________. 
a)

not affected

b)
helped
c)
harmed
d)

dead

33.
A tick is a parasite to a horse. Which statement best describes the relationship between the tick and the horse? 
a)
a.  The tick helps the horse get food. 
b)
a.  The tick harms the horse by feeding on its blood. 
c)
a.  The horse harms the tick by feeding on its blood. 
d)
The tick does not affect the horse. 
34.

The term for when organisms of different species live and interact with each other

a)

symbiosis

b)

niche

c)

community

d)

biotic