WorksheetsEcosystems Test Review
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
List the levels of organization in an ecosystem going from smallest to largest
a)
ecosystem, population, community, organism
b)
organism, population, community, ecosystem
c)
population, community, organism, ecosystem
d)
organism, community, ecosystem, population
2.
What organizational level of the ecosystem does a pack of coyotes represent?
a)
Community
b)
Population
c)
Organism
d)
Ecosystem
3.
Which of the following best describes a population?
a)
•A. All the organisms of a certain species in a given area
b)
•B. All the organisms in a habitat that compete for resources
c)
•C. One individual and all the organisms on which it depends
4.
The largest most complex level of organization in an ecosystem is the -
a)
organism
b)
community
c)
ecosystem
d)
population
5.
Symbiosis is the long term relationship between different species. In a symbiotic relationship, one organism is always _______.
a)
harmed
b)
benefited
c)
neither harmed or benefited
6.
The relationship between a dog and a tick is an example or symbiosis called parasitism. Parasitism is a type of symbiosis where one organism is benefited and the other organism is
a)
harmed
b)
benefited
c)
is neither harmed or benefited
7.
Water – biotic or abiotic?
a)
biotic
b)
abiotic
8.
Which of the following describes a change to an abiotic factor of a raccoons habitat that could be harmful to it?
a)
•A. Increase in the population of food planets.
b)
•B. Drought that depletes available water.
c)
•C. Increase in population of local predators.
9.
Which of the following lists includes only abiotic factors?
a)
A.Plants, animals, average daily temperature
b)
A.Rainfall amounts, average daily temperature, and minerals in soil.
c)
Animals, rainfall amounts, soil composition
10.
Meat-eating desert reptiles depend on which of the following biotic factors to supply their needs?
a)
•Condensation of moisture on plants for drinking water
b)
•Plants that bear fruit during summer months
c)
•Small animals in their habitat of which they feed
11.
Which of the following describes a change in a biotic factor that will be a disadvantage for a certain species of fish living around coral reefs in shallow seas?
a)
A: Heavy rains lower the salinity of the water for a long period of time
b)
B: Excessive cold weather lowers the temperature in the area
c)
C: Other fish species, which compete for the same resources, die out
12.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
13.
All of the nonliving parts of an ecosystem are _______.
a)
biography
b)
biotic
c)
abiotic
d)
biology
14.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
15.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
16.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
17.
Energy flow for an ecosystem starts with...
a)
Sun
b)
Moon
c)
Neither
18.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
19.
What is a example of a abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
20.
What is an example of a biotic factor?
a)
skunk
b)
rocks
c)
soil
d)
water
21.
What does a biotic do?
a)
do nothing
b)
move, repopulate, and live
c)
stand still
d)
dead things
22.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
23.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
24.
Abiotic factors are livings things in an ecosystem.
a)
False
b)
True
25.
Predators is an example of what kind of factor.
a)
Biotic
b)
Abiotic
c)
living
d)
dead
100 %
