AnswersSC332 Environmental Science BClimate and Change in Ecosystems

Climate and Change in Ecosystems Answers

19 verified answers4 views
1
Free Preview

Pollution is the only way that humans can cause changes to ecosystems.

A
T
B
F
2
Free Preview

Rising levels of carbon dioxide most likely

A
have a greater detrimental effect on the land than the sea.
B
have a greater detrimental effect on the sea than the land.
C
can increase productivity on the land and the sea.
D
can decrease productivity on the land and the sea.
3

Environmental factors can cause various changes in ecosystems. Which of the following would most likely have the greatest lasting effect on an ecosystem?

A
a seasonal excess of fertilizer runoff
B
a disease among a population
C
change to the landscape from construction
D
seasonal drought
4

How could climate change affect the ecosystems of the island nation of Samoa?

A
increased cyclone activity could damage land plants and coral reefs
B
increasing global temperatures could raise ocean levels and temperatures subsequently damaging aquatic environments
C
a and b
D
none of the above
5

How does change to an ecosystem that results in succession benefit the ecosystem?

A
it leads to an increased level of biodiversity
B
it leads to decreased productivity
C
it ends symbiosis between organisms
D
it allows ecosystems to operate independently of each other
6

Which of the following could cause a habitat change?

A
introduction of an invasive species
B
a wildfire
C
a mudslide
D
all of the above
7

Climate warming trends allow plant and insect species to inhabit larger ranges.

A
T
B
F
8

What is a possible consequence of climate change to species that have a narrow temperature tolerance range?

A
extinction
B
decreased population
C
changes in migratory patterns
D
all of the above
9

Due to the increase in global temperatures, the range of plants and insects is increasing. The negative impact is that they now affect the local organisms in the area and are referred to as

Answer:

invasive species

10

How does an early onset of spring through climate change affect plants?

A
their growing and flowering season starts earlier and is longer
B
their growing and flowering season starts later and is longer
C
their growing and flowering season starts earlier and is shorter
D
their growing and flowering season starts later and is shorter
11

Which scenario best describes how climate trends might affect animal migration?

A
Animals found in the Arctic may move south.
B
Animals found at the equator may move north.
C
Animals found in higher elevations will move to lower elevations.
D
Animals found in lower elevations will stay in the same location.
12

Ecosystems change when _______.

A
living components of an ecosystem change
B
nonliving components of an ecosystem change
C
their stability is disrupted
D
all of the above
13

Climate changes can produce various effects in ecosystems. Which of the following is a way that marine ecosystems can be affected by climate warming trends?

A
decreased ocean acidity
B
increased populations of fish
C
decreased levels of carbonate
D
all of the above
14

How do the benefits of natural change to ecosystems compare to the disadvantages?

A
The benefits are outweighed by the disadvantages.
B
The benefits outweigh the disadvantages.
C
The benefits are equal to the disadvantages.
D
There are no disadvantages to natural change in ecosystems.
15

Fish populations and other aquatic resources are likely to be affected by changes in what aquatic factors?

A
water temperatures
B
disease
C
water quality
D
all of the above
16

Which of the following is not a possible effect of rising carbon dioxide levels on plants?

A
increased photosynthesis
B
increased plant mortality
C
increased crop productivity
D
increased plant growth
17

Habitat change can occur through natural causes.

A
T
B
F
18

Ecosystems have trouble adjusting to short-term changes.

A
T
B
F
19

Environmental factors can have various effects on ecosystems. In August 2005, Hurricane Katrina caused significant damage in several states along the Gulf Coast, including Alabama, Mississippi, and Louisiana. Thousands of people were evacuated from their homes due to flooding and other damage caused by the storm. What environmental impact would Hurricane Katrina not have caused?

A
early onset of spring
B
change in marine ecosystems
C
change in animal migration
D
change in habitats

Did you find these answers helpful?

More from this Course

Quiz
17 verified answers

Urban Growth

Quiz
16 verified answers

Climate and Change in Ecosystems

Quiz
16 verified answers

Human Use of Land