WorksheetsChapter 16 Ecosystems Test Review
Total questions: 20
Worksheet time: 7mins
Name
Class
Date
1.
An ecosystem consists of
a)
A community
b)
Energy
c)
Soil, Water, Weather
d)
All choice are correct
2.
Biodiversity measures the number of species living within a(n)
a)
Community
b)
Ecosystem
c)
Habitat
d)
Ecology
3.
A community includes all the species within an area.
a)
True
b)
False
4.
When succession take place in an area where there has been previous growth, it is called secondary succession.
a)
True
b)
False
5.
When an organism dies, the nutrients in its body are released back into the environment by dentrivores.
a)
True
b)
False
6.
Decomposers absorb energy from organisms by breaking down living tissue.
a)
True
b)
False
7.
Detritivores are especially harmful to an ecosystem.
a)
True
b)
False
8.
All organisms in an ecosystem are part of the food web of that ecosystem.
a)
True
b)
False
9.
Transpiration is a heat-driven process.
a)
True
b)
False
10.
Carbon is returned to the atmosphere by respiration, combustion, and erosion.
a)
True
b)
False
11.
Nitrogen makes up about 80% of the atmosphere.
a)
True
b)
False
12.
Which of the following types of succession would most likely occur following a forest fire?
a)
Secondary
b)
Primary
c)
Forrest
d)
No Succession
13.
Bacteria and Fungi are
a)
Dentrivores
b)
Decomposers
c)
Producers
d)
Composers
14.
Organisms that manufacture organic nutrient for an ecosystem are called
a)
Primary Producers
b)
Primary Consumers
c)
Predators
d)
Scavengers
15.
Food webs are more commonplace than food chains because
a)
many animals that comprise the links in food chains are migratory.
b)
organisms almost always eat and are eaten by many different organisms.
c)
over time, food chains always become food webs.
d)
None of the above are correct
16.
In a food web, which type of organism receives energy from every other type?
a)
Producer
b)
Consumer
c)
Decomposer
d)
Carnivore
17.
Which of the following are detritivores?
a)
Worm
b)
Fungi
c)
Vulture
d)
All choices are correct
18.
Coal, oil, and natural gas
a)
are formed from decayed plants
b)
are fossil fuels
c)
release carbon dioxide when they are burned
d)
All Choices are correct
19.
Which of the following is common to the carbon cycle, the nitrogen cycle, and the water cycle?
a)
The substance is rearranged into different types of molecules as it moves through its cycle.
b)
The substance must pass through organisms in order to complete its cycle.
c)
The largest reserves of the subsance are always in organisms.
d)
The substance is required by all living things and is involved in many processes that occur in all living things.
20.
Ecosystems include only the abiotic factors in an area.
a)
True
b)
False
100 %
