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3rd Nine Weeks Review Part 1
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Why did the finches on the different Galapagos Islands have different beak shapes?
A
Different beak shapes allowed for bird to eat specific types of foods. The most successful on each island was most common.
B
So that you could tell them apart.
C
The food changed on the island so the birds had to change their beaks so they did not die
D
The temperature of the islands caused the birds to adapt different beak shapes over time.
2) Which is an example of Natural Selection?
A
A tall horse surviving longer than a short horse because it can outrun prey.
B
a family of giraffes having different length necks
C
A bird leaving a habitat because there is not enough food
D
A white moth blending in with the bark of a tree.
3) If Green (G) is dominant to white(g) in seed color. Cross a heterozygous green plant with a homozygous white plant. What is the probability of getting a white seed?
A
25%
B
75%
C
50%
D
100%
4) Which is a heterozygous gene pair?
A
GG
B
gg
C
there is no such thing
D
Gg
5) What is the only way for a recessive trait to show up in an offspring?
A
It will never show up because it is recessive.
B
It will show up if the offspring got one recessive allele from one parent.
C
The offspring had to recieve a recessive allele for the trait from both parents.
D
The offspring would need to have one dominant allele and one recessive allele for the trait.
6) Which is true?
A
Genes are located on chromosomes and are inside the nucleus.
B
Chromosomes are located on genes and are inside the nucleus
C
The nucleus is located in the chromosome.
D
Genes are located on chromosomes but outside of the nucleus
7) Differences among the members of a species are called-
A
dominant genes
B
variations
C
chromosomes
D
adaptations
8) Which is not an example of an inherited trait?
A
reading
B
being able to roll your tongue
C
widow's peak
D
eye color
9) A arctic hare lives where the weather gets very cold and there is usually a lot of snow in the winter. Most arctic hares grow white coats of fur during the winter. Which best describes what would happen to hares who failed to grow white fur?
A
The hares who did not grow white fur would be more successful during the winter because they stand out among the white snow.
B
Nothing would happen-the hare would just hide all winter.
C
The hares that grew white fur would run out of food.
D
The hares who did not grow white fur in the winter would stand out and be more easily eaten by predators.
10) Birds live on an island that recently had a drastic change in climate. These birds get their water from eating berries. Rainfall has decreased and plants with berries and seeds have died off only leaving cacti. What might happen with this bird?
A
The birds beak would stretch so it can poke holes in the cactus to get water.
B
The birds would learn to eat insects.
C
Over time, the birds with beak shapes that allowed them to eat the cacti would survive over others.
D
The birds would learn to drink salt water
*select an answer for all questions
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