AnswersRMA FL-2001310-EarthSpace Science Semester 1Unit Test

Unit Test — Unit test Answers

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The diagram illustrates the water cycle.

Question illustration
A
precipitation
B
evaporation
C
condensation
D
transpiration
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Some consumers, like lions, do not eat plants or any other producers. They only eat other animals.How do lions obtain the carbon they need?

A
by eating animals that have carbon-based molecules stored in their bodies
B
by breathing it in from the atmosphere in the form of carbon dioxide
C
by absorbing carbon-based molecules through their skin from the soil
D
by drinking water that contains carbon dioxide
43

Which spheres of Earth are directly influenced when human-caused air pollution leads to acid rain that dissolves limestone rocks?

A
atmosphere, cryosphere, geosphere
B
cryosphere, hydrosphere, biosphere
C
geosphere, atmosphere, hydrosphere
D
biosphere, atmosphere, cryosphere
44

Which sphere of Earth includes icebergs?

A
atmosphere
B
biosphere
C
cryosphere
D
geosphere
45

Which of the following is an example of reproductive isolation?

A
two populations of finches that cannot produce viable offspring
B
two populations of finches that have different feather colors
C
two populations of salamanders that live in different lakes
D
two populations of salamanders that have different tail lengths
46

Which best describes biogeographic isolation?

A
It always leads to the formation of new species.
B
It cannot lead to evolution.
C
It is a mechanism for evolution.
D
It occurs only through geographic forces.
47

During the nitrogen cycle, through which structure are nitrogen compounds first absorbed into the plant?

A
roots
B
leaves
C
flower
D
stem
48

Rosa drew a flow chart of the carbon cycle.

Question illustration
A
X: Producers undergo photosynthesis.Y: Decomposers return carbon to the soil and release waste.
B
X: Decomposers return carbon to the soil and release waste.Y: Producers undergo photosynthesis.
C
X: Decomposers take in carbon dioxide.Y: Producers absorb carbon through their roots.
D
X: Producers absorb carbon through their roots.Y: Decomposers take in carbon dioxide.

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