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Free Exam: life sciences test c

Number of Questions in Test: 17
Number of Questions in Preview: 5
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Question 1

Lava flowing from an erupting volcano destroys everything in its path. New land is formed, but it is barren, supporting no organisms.


_Refer to the information above. Which statement is true?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 2

Lava flowing from an erupting volcano destroys everything in its path. New land is formed, but it is barren, supporting no organisms.
__Refer to the information above. What process occurs in this area as organisms begin to take hold?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 3

_Which of these is not an example of genetic variation within a species?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 4

_Which of these statements about natural selection is true?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 5

_Within a fish species, variations exist in color, size, and the speed at which individuals can swim. Which variation would be least likely to be passed on to future generations of the species?

Type: Multiple choice
Points: 1
Randomize answers: No

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