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Natural Selection And Artificial Selection
Test Description: 7th Grade Test questions on Natural Selection and Artificial Selection
Instructions: Answer all questions to get your test result.
1) Artificial Selection is to _____ : Natural Selection is to _____.
A
no change : change
B
the wild : the zoo
C
humans : nature
D
the environment : the lab
2) Mutations are always ___.
A
a change in the DNA
B
neutral
C
harmful
D
beneficial
3) Cabbage, kale, and broccoli all derived from the mustard plant. This is an example of __.
A
Natural Selection
B
Random Chance
C
Genetic Mutations
D
Selective Breeding
4) During natural selection, it is not the individual that changes, rather it is the _____ that changes over time.
A
mom
B
dad
C
siblings
D
population
5) Genetic diversity is important in populations because
A
it keeps all the individuals looking exactly the same
B
it weakens the population
C
it gives the population a better chance of surviving environmental changes
D
it causes species to go extinct
6) The harmless king snake looking like the poisonous coral snake is an example of
A
predator-prey relationship
B
mimicry
C
functional adaptation
D
camouflage
7) A beetle that blends into the the leaf it sits on is an example of
A
camouflage
B
functional adaptation
C
behavioral adaptation
D
mimicry
8) All the different dog breeds we have today are
A
result of natural selection
B
are endangered
C
are completely different species
D
the result of selective breeding
9) The Galapagos tortoises were uniquely adapted to the islands they lived on. Which of the following is true?
A
The species looked the same on every island
B
Islands with tall cacti had tortoises with high shells and long necks
C
One species could eat vegetation that was high and low
D
The habitats were identical on each island
10) What 2 factors allowed the Galapagos finches to recognize members of their own species?
A
foot shape and beak
B
height and dance
C
song and appearance
D
how many times they blinked their eyes
*select an answer for all questions
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