Life Science

Chapter 25: The Nonliving Environment

The Nonliving Environment

1.
You pour a glass of water. After some time, drops of water appear on the outside of the cup. What is this an example of?
A)the nitrogen cycle
B)biotic factors
C)photosynthesis
D)condensation
2.
Which of these is an abiotic factor?
A)a raccoon
B)a pine tree
C)sunlight
D)a beetle
3.
Which of these is part of the nitrogen cycle?
A)Nitrogen is removed from soil by animal wastes.
B)Nitrogen is absorbed by plants when they die.
C)Nitrogen goes from the atmosphere to the soil.
D)Nitrogen is produced by living organisms.
4.
A puddle is formed after a rainstorm. After two days of sunshine, the puddle disappears. What happened to the water?
A)It became a biotic factor.
B)It went through chemosynthesis.
C)It oxidized.
D)It evaporated.
5.
The process that is almost the reverse of photosynthesis is __________.
A)migration
B)fertilization
C)respiration
D)metamorphosis
6.
Where would you find organisms that produce food by chemosynthesis?
A)in a deep part of the ocean
B)in desert biomes
C)in deciduous rain forest biomes
D)in treetops
7.
Grass uses photosynthesis to produce __________.
A)water
B)evaporation
C)fewer offspring
D)sugar molecules
8.
Non-living physical features of the environment are called ________.
A)abiotic factors
B)biotic factors
C)food chains
D)carbon cycles
9.
One possible result of extra carbon dioxide in the atmosphere is __________.
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
10.
Consumers are organisms that cannot __________.
A)reproduce
B)survive
C)photosynthesize
D)evaporate
11.
Rainfall patterns can be affected by __________.
A)the availability of plant life
B)clay in the soil
C)the abundance of animals
D)the presence of mountains
12.
DNA in organisms is formed by ___________.
A)nucleic acids
B)acid-base reactions
C)biotic factors
D)hydrochloric acid
13.
Which of these is the correct order of a food chain?
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.
14.
What is created when colder air sinks below warmer air and pushes warmer air upward?
A)omnivores
B)air currents
C)humus
D)precipitation
15.
Which of these organisms is the first step in a food chain?
A)producers
B)mammals
C)consumers
D)amphibians
16.
Which of these affects the temperature of a region?
A)latitude
B)the number of carnivores
C)the amount of humus in the soil
D)photosynthesis
17.
Features of the environment that are alive now or once were alive are called __________.
A)biotic factors
B)abiotic factors
C)food webs
D)nitrogen cycles
18.
The air that surrounds Earth is called __________.
A)the core
B)respiration
C)the atmosphere
D)humus
19.
Which of these can add nitrogen to the soil?
A)compost
B)glass
C)plastic
D)paper
20.
Trees at higher elevations usually are __________ than those at sea level.
A)shorter
B)filled with more fruit
C)affected more by high temperatures
D)taller
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