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WorksheetsEcology Chapter 2
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
Which of these is a biotic factor?
a)
Sunlight
b)
worms
c)
water
d)
wind
2.
What is the main ingredient in cell fluids?
a)
blood
b)
water
c)
oxygen
d)
Carbon Dioxide
3.
Air is composed mostly of what?
a)
Oxygen
b)
Carbon Dioxide
c)
Nitrogen
d)
Water
4.
What abiotic factor determines temperature?
a)
Amount of rain
b)
Sunlight
c)
The soil
d)
Climate
5.
How much energy transfers to the next level in an energy pyramid?
a)
10%
b)
1%
c)
20%
d)
50%
6.
Which of these can be recycled?
a)
Matter
b)
Energy
c)
Both matter and energy
7.
Which process uses oxygen in animals?
a)
Photosynthesis
b)
Respiration
c)
Transpiration
d)
Evaporation
8.
Nitrogen in the soil is used by ______
a)
Plants and animals
b)
Plants only
c)
water
d)
photosynthesis
9.
What happens to the energy in an energy pyramid as you move up from each level to the next level?
a)
It increases
b)
It decreases
c)
There is no change
d)
It evaporates
10.
How do farmers replace some of the soil nitrogen that is taken out when drops are harvested?
a)
Use fertilizer
b)
Use compost
c)
plant soybeans or peas
d)
All of the above
11.
Deep in the ocean, consumers are able to live due to ________
a)
photosynthesis
b)
The nitrogen cycle
c)
Chemosynthesis
d)
The carbon cycle
12.
Life processes of all organisms can only take place if what is present?
a)
Sunlight
b)
Water
c)
Air
d)
Breathing
13.
Water vapor leaving the leaves of plants and going into the atmosphere is the process known as ______
a)
Respiration
b)
Transpiration
c)
Evaporation
d)
Condensation
14.
The process in which soil bacteria can form the nitrogen compounds that plants need is called ________
a)
The nitrogen cycle
b)
Nitrogen fixation
c)
The carbon cycle
d)
photosynthesis
15.
What is the process of changing a gas in to a liquid called?
a)
Evaporation
b)
Condensation
c)
Photosynthesis
d)
Precipitation
16.
What is a feeding model that shows all of the feeding relationships among organisms in an ecosystem?
a)
Food chain
b)
Food web
c)
Consumers
d)
Producers
17.
What is the process of converting light energy into chemical energy in sugar molecules called?
a)
Chemosynthesis
b)
Photosynthesis
c)
The carbon cycle
d)
Nitrogen fixation
18.
Which of the following is considered an abiotic factor?
a)
Worms
b)
Soil
c)
Fungi
d)
Bacteria
19.
The motion of air causes what?
a)
climate
b)
rain
c)
currents
d)
evaporation
20.
Heat energy from the sun is responsible for _________
a)
The carbon cycle
b)
the wind
c)
The Rain Shadow effect
d)
Chemosynthesis
21.
How do consumers get their energy?
a)
by eating producers
b)
breathing
c)
through Photosynthesis
d)
by producing their own food
22.
Lines of latitude ___________
a)
run perpendicular to the Equator
b)
run parallel to the Equator
c)
Cause changes in the temperature
d)
show attitude
23.
The term "biotic" means _____
a)
of the earth
b)
living
c)
non living
d)
superhuman
24.
At a higher elevation,
a)
the temperature gets warmer and the air gets thinner
b)
the temperature gets warmer and the air gets thicker
c)
the temperature gets cooler and the air gets thinner
d)
you can feel the clouds
25.
Nitrogen is a necessary ingredient for what?
a)
Fats
b)
Proteins
c)
Blood cells
d)
Photosynthesis
26.
All of the following are true except_________
a)
Energy can be converted from one form to another
b)
It is possible for there to be a forest on one side of a mountain and a desert on the other side
c)
Some living things do not need energy
d)
Animals have a role in the water cycle
27.
What shows how molecules move between living and non-living things?
a)
The Carbon Cycle
b)
The Nitrogen Cycle
c)
The Water Cycle
d)
Chemosynthesis
28.
What is always at the bottom of the food chain?
a)
Decomposers
b)
Producers
c)
Consumers
d)
Sponge Bob
29.
Water coming back to the earth is _____
a)
Condensation
b)
Precipitation
c)
Transpiration
d)
The Rain Shadow effect
30.
While watching the Superbowl this weekend, I will be cheering for ______
a)
The Patriots
b)
The Eagles
c)
The half time show
d)
The commercials
31.
Decaying matter in soil is called_____
a)
topsoil
b)
humus
c)
decomposers
d)
producers
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