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Biotic and Abiotic factors

Total questions: 41

Worksheet time: 36mins

Name
Class
Date
1.

What is a biotic factor?

a)

Anything that is living, or once living

b)

anything that is not alive

c)

something that you see in a store

d)

none of the above.

2.

What is a abiotic factor?

a)

anything that is living, or once living

b)

things that are not living, and never were living

c)

none of the above

d)

all of the above

3.

What is included in an ecosystem?

a)

only biotic organisms

b)

only abiotic organisms

c)

biotic and abiotic living together

d)

bitoic and some abiotic

4.

fish, birds, plants, and mammals are all examples of...

a)

abiotic factors

b)

plants

c)

animals

d)

biotic factors

5.

temperature is an example of...

a)

a biotic factor

b)

an abiotic factor

c)

none of the above

d)

a biotic factor

6.

If a white tailed deer eats an acorn off of the ground, what kind of relationship is that?

a)

abiotic to abiotic

b)

biotic to abiotic

c)

biotic to biotic

d)

abiotic to abiotic

7.

which of the following are abiotic components of an ecosystem ?

a)

deer,caterpillar, grasshopper

b)

flower, soil, mountain

c)

growth of grass

d)

soil in the ground

8.

which of the following is a biotic factor of a river ecosystem?

a)

the water

b)

the sandy bottom

c)

the rock

d)

the fish

9.

What would happen if the acorn production decreased dramatically?

a)

the squirrel population would increase

b)

the squirrel population would have to find a new place to live

c)

the squirrel population would not be affected

d)

the squirrel population would be extinct

10.

What kind of relationship would it be if a turtle lays its eggs in the sand?

a)

abiotic to abiotic

b)

biotic to abiotic

c)

biotic to biotic

d)

abiotioc to abiotic

11.

What is the least complex section of the levels of organization?

a)

organism

b)

ecosystem

c)

community

d)

population

12.

what is the second least complex section of the levels of organization?

a)

population

b)

comunnity

c)

ecosystem

d)

organism

13.

what does a population consist of?

a)

many different biotic factors

b)

many different abiotic factors

c)

only one organism

d)

more than one of the same organism

14.

What does a community consist of?

a)

biotic and abiotic organisms

b)

all of the biotic things in an ecosystem

c)

only abiotic things

d)

none of the above

15.

What does an ecosystem consist of?

a)

all of the biotic organisms

b)

all of the abiotic organisms

c)

all of the biotic and abiotic things

d)

only biotic organisms

16.

what would all of the humans be considered?

a)

a community

b)

a population

c)

an ecosystem

d)

a biome

17.

Which level of organization has all of the biotic things in a place?

a)

a population

b)

a community

c)

an ecosystem

d)

an organism

18.

what is an abiotic change?

a)

the decrease in rainfall on an ecosystem

b)

the increase in squirrel population

c)

the decrease in bug population

d)

the increase in birds

19.

what is a biotic change

a)

the increase in rainfall in the amazon

b)

the decrease in rain in the amazon

c)

the increase in rocks on the ground

d)

the decrease in plant population

20.

What is the difference between biotic and abiotic

a)

biotic is non-living, abiotic is living

b)

biotic is living, abiotic is living

c)

biotic is living, abiotic is non-living

d)

abiotic is non-living, biotic is non-living

21.

Why is a stick that broke off a tree still considered a bitoic factor?

a)

because it was once living

b)

because it was never living

22.

The non-living parts of an organism's environment are called...

a)

community

b)

biotic factors

c)

habitat

d)

abiotic factors

23.

The study of how living things interact with each other and with their environment is called...

a)

biology

b)

population study

c)

ecology

24.

Choose the correct levels of Organization from lowest to highest...

a)

population, community, ecosystem, organism

b)

organism, population, community, ecosystem

c)

organism, population, ecosystem, community

25.

A community is a level in organization that is....

a)

made of populations of different species that live in the same place and interact.

b)

a single individual species of organisms that are similar.

c)

all the individual organisms of the same species in the same place.

26.

The living parts of an organisms environment are called its...

a)

community

b)

habitat

c)

biotic factors

d)

abiotic factors

27.

A hungry mountain lion pounces on a rabbit that happens to cross his path. The lion is considered the.......

a)

prey

b)

competitor

c)

predator

28.
A system made up of organisms interacting with one another
a)
biology
b)
abiotic
c)
biotic
d)
ecosystem
29.
Nonliving things found in an ecosystem.
a)
factories
b)
factor trees
c)
biotic factors
d)
abiotic factors
30.

All of the populations that live in one area together

a)

limiting factors

b)

populations

c)

community

d)

speed limit

31.
Which is a biotic factor?
a)
sunlight
b)
air 
c)
bacteria
d)
all of the above
32.
Deserts, mountains, and rivers are all examples of ________.
a)
vacation spots
b)
tundra
c)
ecosystems
d)
wetlands
33.
Which statement is correct?
a)
A population is the same as a community
b)
A community is a group of populations
c)
A community is a part of a population
d)
A population is a group of communities
34.
Put the levels of organization in an ecosystem in order from the largest to the smallest. 
a)
population, organism, community
b)
organism, community, population
c)
community, population, organism
d)
community, organism, population
35.

Which two faces represent predation? (select two)

a)
b)
c)
d)
36.

Which two faces represent parasitism? (select two)

a)
b)
c)
d)
37.

Which two faces represent commensalism? (select two)

a)
b)
c)
d)
e)
38.

Which two faces represent mutualism? (select two)

a)
b)
c)
d)
e)
39.

MUTUALISM is a relationship in which one organism is _____________ and the other organism is _______________.

a)

harmed; harmed

b)

helped; helped

c)

helped; harmed

d)

helped; neither helped nor harmed

40.

PARASITISM is a relationship in which one organism is _____________ and the other organism is _______________.

a)

harmed; harmed

b)

helped; helped

c)

helped; harmed

d)

helped; neither helped nor harmed

41.

This photograph shows a bird cleaning a crocodile's teeth by eating bits of food stuck in the croc's mouth. This is an example of

a)

commensalism

b)

parasitism

c)

mutualism