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Evolution- Change Over Time
Test Description: Evolution by natural selection
Instructions: Answer all questions to get your test result.
1) Which scientist's theory of evolution is accepted in the scientific community today?
A
Mendel
B
Franklin
C
Watson
D
Darwin
2) Successful organisms can pass on the genes for their adaptations through reproduction. This describes...
A
descent and change
B
natural selection
C
mutation
D
adaptation
3) Mutations are changes in DNA that can lead to...
A
only bad characteristics in evolution
B
only good characteristics in evolution
C
Both good and bad characteristics in evolution
4) a change in an individual's genetic code is called...
A
natural selection
B
mutation
C
evolution
D
variation
5) A trait or characteristic that makes an organism well suited to its environment and improves its chance of survival is called _____.
A
fitness
B
mutation
C
natural selection
D
adaptation
6) The gradual change in the genetic makeup of an entire species over a very long time is known as _____.
A
evolution
B
natural selection
C
chance
D
adaptation
7) Camouflage (blending with the environment) is an example of...
A
mimicry
B
selective pressure
C
adaptation
D
reproduction
8) Which of the following organisms is the most fit?
A
a mouse that can run the fastest
B
the strongest mouse
C
a mouse that lives the longest
D
a mouse that leaves the most surviving offspring
9) Many scientists think related species have similar body structures and development patterns because related species inherit _______.
A
All of the mutations from a common ancestor
B
many of the same genes from a common ancestor
10) This is a technique used by scientists when they compare the age of a fossil by looking at the layer of earth it was found
A
radioactive dating
B
Fossil
C
relative dating
D
natural selection
11) Which of the following is NOT an example of evolution?
A
Over time, horses have fewer toes on their feet
B
Male peacock birds have adapted bright feathers to attract mates
C
Rocks on the ocean floor turning darker over time
D
Some squirrel species adapting to life in trees to increase fitness
12) Over time, fossils show that the neck of giraffes have become longer. Which of the following is an adaptation?
A
Shorter giraffe species becoming extinct
B
Fossil evidence
C
Longer necks to reach food higher in trees
13) The snakehead fish can breathe air and live out of the water for a few days. Why is it a threat to other species in the river?
A
It is a stronger swimmer than other fish
B
The fish will eventually eat all other fish
C
It does not need to evolve
D
It has better adaptations to out-compete other species
*select an answer for all questions
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