Succession — Unit test Answers

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1
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A large portion of precipitation in the rainforest occurs as a result of _______.

A
perspiration
B
respiration
C
oxidation
D
transpiration
2
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Which molecule would be the most affected by limited nitrogen?

A
myofibrillar proteins in muscle
B
glucose molecules in starch
C
fat molecules surrounding organs
D
cellulose molecules in plant cell walls
3

Which statement correctly describes a feature of the rock cycle?

A
Rocks are preserved through the process.
B
Rocks change from one type to another.
C
Different rock groups are not related to one another.
D
The rock cycle follows a specific order.
4

Which describes a way in which phosphorus may enter into the phosphorus cycle?

A
Earthquakes release phosphorus.
B
Phosphorus is carried in the rain that was evaporated from lakes.
C
Human use of fertilizers release phosphorus into the groundwater.
D
Phosphorus is transpired from the leaves of plants.
5

Which substance would most likely form sedimentary rock?

A
cooled lava
B
melted rock
C
changed igneous rock
D
small pebbles
6

Which system serves as the interface between the other spheres?

A
geosphere
B
hydrosphere
C
atmosphere
D
biosphere
7

Which of the following cycles is crucial to living organisms?

A
phosphorus
B
water
C
carbon
D
all of the above
8

Which of the following statements about the interaction of Earth’s systems is true?

A
The interaction between Earth’s systems is limited to a response to human activity.
B
The Earth’s system interact using positive feedback only.
C
The Earth’s systems interact using negative feedback only.
D
All of the Earth’s systems interact with each other.
9

Which type of rock is most likely to form because of high heat and pressure?

A
igneous
B
magma
C
sediment
D
metamorphic
10

What best describes the association between the carbon cycle, plants, and animals?

A
Plants fix carbon and release oxygen, and animals release carbon and use oxygen.
B
Animals fix carbon and release oxygen, and plants release carbon and use oxygen.
C
Animals fix carbon through respiration, and plants fix carbon through photosynthesis.
D
Plants decompose fixing carbon, and animals decompose releasing carbon.
11

Fran finds a dark-colored rock that she identifies as basalt. Which property gives the rock its dark color?

A
its shape
B
its banding
C
its grain size
D
its mineral content
12

This image shows the rock cycle.Which event most likely occurs at point V?

Question illustration
A
cooling
B
erosion
C
heating
D
melting
13

Carbon in the ocean originates from the atmosphere.

A
T
B
F
14

A group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. Which argument best fits the conversation?

A
Fossil fuels are cheaper than alternative forms of energy.
B
Fossil fuel reserves will never be depleted.
C
Fossil fuels are easily renewed.
D
Fossil fuel use does not affect the environment.
15

Phosphorus is contained in _______.

A
living organisms
B
soil
C
bodies of water
D
all of the above
16

Valerie creates a model using three different rocks. The rocks are classified as igneous, metamorphic, and sedimentary.Which property does Valerie use for classification purposes?

A
color
B
formation
C
shape
D
texture
17

What is the main difference between negative and positive feedback?

A
Positive feedback leads to system instability, while negative feedback leads to system stability.
B
Positive feedback is caused by human impact, while negative feedback occurs naturally.
C
Negative feedback ultimately leads to an increase in the first variable, while positive feedback ultimately leads to a decrease in the first variable.
D
Positive feedback occurs at a much faster rate than negative feedback.
18

As streams flow through Stone Mountain, layers of sand build up. Over time, the sand particles form a sedimentary rock called sandstone.What causes sandstone to change into metamorphic rock at Stone Mountain?

A
Sandstone is reshaped by erosion from a stream.
B
Sandstone builds up layers of sand at the mountain.
C
Sandstone experiences intense heat and pressure.
D
Sandstone has more sand particles compacted on top of it.
19

This image shows the rock cycle.Which event most likely occurs at point K?

Question illustration
A
cooling
B
cementing
C
melting
D
weathering
20

Which of the following is a function of the atmosphere?

A
facilitating the process of rock formation
B
providing a moderate, livable climate
C
facilitating the process of photosynthesis
D
serving as the interface between all spheres

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