WorksheetsChapter 22 Review
Total questions: 19
Worksheet time: 13mins
Name
Class
Date
1.
A variety of life in an ecosystem is known as...
a)
a biome
b)
biodiversity
c)
biotic
d)
sustainability
2.
_______ are consumers that eat only meat.
a)
Herbivore
b)
Omnivore
c)
Carnivore
3.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
4.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
5.
How does energy enter an ecosystem?
a)
sunlight
b)
soil
c)
animals
d)
invasive species
6.
What is it called when WATER is FORMED from an LIQUID to a WATER VAPOR or a [GAS]?
a)
precipitation
b)
condensation
c)
evaporation
d)
sublimation
7.
What makes up 78% of the air we breathe?
a)
oxygen
b)
free nitrogen
c)
fixed nitrogen
d)
carbon
8.
True or False
Nitrogen is the main gas in our atmosphere.
Nitrogen is the main gas in our atmosphere.
a)
True
b)
False
9.
When bacteria in the soil change free nitrogen into nitrogen containing compounds, it is called
a)
Denitrification
b)
Nitrogen fixation
c)
ammonia
d)
decaying
10.
What are the two ways nitrogen gas is turned into a form plants and animals can use?
a)
lightning & bacteria
b)
bacteria & worms
c)
lightning & worms
d)
bacteria & fungi
11.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
12.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
13.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
14.
Overlapping food chains in an ecosystem make up....
a)
food web
b)
food chain
c)
niche
d)
symbiosis
15.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
16.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
17.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
18.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
19.
In the food web shown, the smaller bird would be considered....
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
100 %
