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HA Investigation 3
Test Description: Adaptations
Instructions: Answer all questions to get your test result.
1) What is an adaptation?
A
Any trait that allows an organism to live another year.
B
Any trait that increases an organisms rate of survival
C
Any trait that changes an organisms appearance.
D
Any trait that decreases an organisms rate of survival.
2) What is a mutation?
A
A trait that increases an organisms chance of survival.
B
Species developing from one type into two.
C
A selected change to an organisms DNA.
D
Any random change to an organisms DNA - can be positive, negative, neutral.
3) What is variation in a population caused by?
A
Different families
B
Changes to hair color
C
Genetic mutations
D
Nothing
4) If a mutation occurs, and it helps an organism survive, what can it become?
A
An adaptation
B
A mutation
C
A random change
D
Natural selection
5) What is artificial selection?
A
Producing breeds by using organisms with the desired traits.
B
The evolution of new species.
C
Selecting organisms to mate with other species.
D
Artificially selecting pets.
6) Why are adaptations always positive?
A
They can continue through several generations of one family only.
B
They only continue in organisms that allow them to survive and reproduce.
C
They can only be reproduced once.
D
That's just how they work.
7) Where do adaptations come from?
A
artificial selection
B
natural selection
C
variation
D
DNA mutations
8) Mutations that allow organisms to ____ can become adaptations.
A
change their appearance
B
survive and reproduce
C
survive a longer amount of time
D
grow taller
9) Darwin observed that
A
the finches were always exactly the same.
B
over time, species moving to other islands produced new species.
C
over time, species moved from different islands to one island.
D
over time, species on different islands became very similar
10) Darwin noticed that finch appearance changed depending on
A
how long they were alive.
B
each family generation.
C
nothing - finch appearance cannot change.
D
their food sources on each specific island.
*select an answer for all questions
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