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Natural Environmental Change Answers

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Shante makes a diagram to compare the effects of short-term and long-term environmental changes.

Question illustration
A
Cause speciation
B
Affect organisms
C
Are caused by ice ages
D
Are driven by solar energy changes
2
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Which kind of environmental change would a tornado be?

A
short-term, because it occurs very quickly
B
long-term, because it lasts a long time
C
short-term, because it affects only a small area
D
long-term, because they have been happening for millions of years
3

What is speciation?

A
the complete loss of a species that has died out
B
the evolutionary process through which new species emerge
C
a short-term environmental change
D
a long-term environmental change
4

Which is most likely an effect of long-term environmental changes?

A
death
B
migration
C
loss of habitat
D
speciation
5

A change occurs in an environment that lasts for several thousand years and causes changes to the genetic makeup of several species. What can be known about this change?

A
It is short-term.
B
It is long-term.
C
It involves an El Niño storm.
D
It involves a La Niña storm.
6

During a flood, many individuals in a population of gophers drowned. Which effect of an environmental change does this best illustrate?

A
death
B
extinction
C
adaptation
D
speciation
7

What is a tsunami?

A
a warm season brought on by Earth tilting toward the Sun
B
an extended period of time with little to no snow or rainfall
C
a large wave usually caused by an undersea earthquake
D
a cool season brought on by Earth tilting away from the Sun
8

Due to the short-term environmental change of a drought, much of the soil in an area can no longer support a species of wildflower. As a result, the plants now grow only in small regions within the area.

A
migration
B
loss of habitat
C
adaptation
D
extinction
9

Which statement best describes long-term environmental changes?

A
They occur suddenly.
B
They do not typically cause changes to DNA.
C
They cannot occur gradually.
D
They can occur anywhere from thousands to billions of years.
10

short termlong termglobalclimatic

A
short term
B
long term
C
global
D
climatic

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