WorksheetsEcology Review
Total questions: 24
Worksheet time: 47mins
Name
Class
Date
1.
A living or once-living organisms in an ecosystem is a
a)
population
b)
biotic factor
c)
abiotic factor
d)
community
2.
A nonliving element in an ecosystem is an
a)
animal
b)
abiotic factor
c)
biotic factor
d)
organism
3.
Which of the following is not an abiotic factor?
a)
sun
b)
temperature
c)
soil
d)
grass
4.
Which of the following is not a biotic factor?
a)
mushroom
b)
air
c)
elephant
d)
coyote
5.
Lizards and cacti are biotic factors in a desert ecosystem that would rely on which abiotic factors?
a)
insects and sun
b)
water and insects
c)
snakes and temperature
d)
water and soil
6.
Nonliving elements in an ecosystem are called _______________.
a)
biotic factor
b)
abiotic factor
c)
limiting factor
d)
carrying capacity
7.
Is a deer an abiotic or biotic factor?
a)
abiotic
b)
biotic
8.
Is a weather an abiotic or biotic factor?
a)
abiotic
b)
biotic
9.
Is sunlight an abiotic or biotic factor?
a)
abiotic
b)
biotic
10.
Water, air, soil, and temperature are all examples of __________ factors.
a)
abiotic
b)
organisms
c)
biotic
d)
population
11.
Rock
a)
Biotic
b)
Abiotic
12.
Which is an example of a biotic factor in an ocean?
a)
water
b)
starfish
c)
waves
d)
sand
13.
Oxygen
a)
Biotic
b)
Abiotic
14.
Salt Concentration
a)
Biotic
b)
Abiotic
15.
Bacteria
a)
Biotic
b)
Abiotic
16.
Rain
a)
Biotic
b)
Abiotic
17.
What does the prefix "bio-" mean?
a)
Scientific
b)
Not
c)
Dead
d)
Living
18.
This term refers to the interaction between biotic and abiotic factors in the environment.
a)
Ecology
b)
Biology
c)
Living
d)
Non-living
19.
What does the prefix "a-" mean?
a)
Scientifix
b)
Not
c)
Dead
d)
Alive
20.
Is the following factor Biotic or Abiotic?
Tree
Tree
a)
Biotic
b)
Abiotic
21.
Is the following factor Biotic or Abiotic?
Sunlight
Sunlight
a)
Biotic
b)
Abiotic
22.
Which of the fallowing has only abiotic factors?
a)
Sunlight, algae, and temperature
b)
Guppy, crab, oxygen
c)
Sunlight, soil, and weather
d)
Algae, temperature, and dog
23.
Which of the fallowing has only abiotic factors?
a)
Sunlight, algae, and temperature
b)
Guppy, crab, oxygen
c)
Sunlight, soil, and weather
d)
Algae, temperature, and dog
24.
What is the difference between Abiotic and Biotic
a)
one of them is living the other is non living
b)
One of them is a cycle other one is chain
c)
none of the above
d)
both
100 %
