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Evolution And Change Over Time
Test Description: Evolution and change over time
Instructions: Answer all questions to get your test result.
1) What are scientists able to determine when they combine evidence from fossils and body structures?
A
the contents of its stomach
B
the evolutionary relationships among species
C
what bones the animal had in its hind legs
D
if an animal had gills during early development
2) The giraffe's neck has adapted to its environment. In what way does this help it survive?
A
helps it reach food high in trees
B
helps it hide from predators
C
helps it tolerate warm temperatures
D
helps it run faster
3) When using relative dating, the oldest organism is usually
A
has the fewest genetic variations
B
has the largest amount of remains
C
is the furthest below the soil
D
found near the top
4) What method is used to determine the age of fossils?
A
natural selection
B
variation
C
radioactive dating
D
DNA analysis
5) The dodo bird was flightless and became extinct after the 1600\'s. What environmental changes most likely led to its extinction?
A
destruction of forest, which was its habitat
B
a new species of bird was introduced
C
the island it lived on was destroyed by a storm
D
pollution from factories poisoning its water
6) What scientist's theory of evolution is accepted in the scientific community today?
A
Franklin
B
Darwin
C
Mendel
D
Watson
7) The different beaks Darwin observed in the finches were probably NOT caused by...
A
asexual reproduction
B
genetic mutations
C
variations in the genetic code
D
the finches' adaptations to the environment
8) change in a genetic code
A
dominant trait
B
extinction
C
recessive trait
D
mutation
9) Suppose fossil records showed that tortoises had two heads but they don't now. This is an example of what?
A
DNA analysis
B
extinction
C
evolution
D
variation
10) If an area that has black peppered moth has a lot of coal pollution, the number of black moths should ___
A
increase because predators have a harder time seeing them
B
decrease because predators can see them
C
stay the same
D
equal the spotted peppered moth
*select an answer for all questions
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