3. __________ describes the weather patterns that affect a region over a long period of time. Need a Hint?
A.
Community
B.
Climate
C.
Succession
D.
Weather
4. Which is a fossil fuel? Need a Hint?
A.
nuclear power
B.
oil
C.
wind
D.
wood
5. Earth’s early atmosphere probably did not contain oxygen gas. Scientists believe that __________ are responsible for producing most of the oxygen in Earth’s early atmosphere. Need a Hint?
Nitrogen compounds fall to the ground when it rains.
D.
Nitrogen is produced by plants as a byproduct of photosynthesis.
10. Where would you find organisms that produce food by chemosynthesis? Need a Hint?
A.
in a deep part of the ocean
B.
in desert biomes
C.
in deciduous rain forest biomes
D.
in treetops
11. One possible result of increased carbon dioxide in the atmosphere is __________. Need a Hint?
A.
an increase in the number of carnivores on Earth
B.
a rise in average temperatures on Earth
C.
a decrease in the amount of water on Earth
D.
a decrease in the amount of nitrogen in the soil
12. Which of these is the correct order of a food chain? Need a Hint? http://connected.mcgrawhill.com/media/repository/protected_content/COMPOUND/50000024/23/35/260_test/260_test.html?mghCourseID=5569HTYST3NXR…
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4/29/2016
Online Test Practice
A.
A rabbit is eaten by a wolf, which is eaten by grass.
B.
A wolf is eaten by grass, which is eaten by a rabbit.
C.
Grass is eaten by a rabbit, which is eaten by a wolf.
D.
A rabbit is eaten by grass, which is eaten by a wolf.
13. Which of these organisms is the first step in a food chain? Need a Hint?
A.
producers
B.
mammals
C.
consumers
D.
amphibians
14. Features of the environment that are or were once alive are called __________. Need a Hint?
A.
biotic factors
B.
abiotic factors
C.
food webs
D.
nitrogen cycles
15. The gases that surround Earth are called __________. Need a Hint?
A.
the core
B.
respiration
C.
the atmosphere
D.
humus
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