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Evolution/Genetics/Virus Review

Total questions: 27

Worksheet time: 48mins

Name
Class
Date
1.
Dolphins have the same arm structure as wolfs, what type of evidence for evolution does this represent?
a)
DNA
b)
vestigial structures
c)
homologous structures
d)
embryology
2.
What would indicate that a series of fossils represent evolution?
a)
the fossils were identical
b)
the fossils were found in the same layers of rock
c)
the fossils show similarities
d)
the fossils were completely different
3.
Change over time is
a)
evolution
b)
generation
c)
growth
d)
biogenesis
4.
Natural selection is
a)
survival of the fittest
b)
humans change
c)
two species are the same
d)
more animals survive
5.
Who was Charles Darwin?
a)
A naturalist who came up with the theory of evolution
b)
A scientist who studied plants
c)
A geologist who looked at rocks and fossils
d)
A paleontologist who studied dinosaurs
6.
Which of the following is not a piece of evidence for evolution?
a)
Homologous structures
b)
embryology
c)
fossil age
d)
vestigial structures
7.
Which of the following is NOT an example of natural selection? 
a)
People selectively breeding hamsters.
b)
Insect populations developing resistance to certain pesticides.
c)
Bacteria becoming resistant to antibiotics.
d)
Male birds of certain species developing colorful feathers to attract female mates.
8.
Scientists are studying the evolutionary history of a group of plants in the United States, and they developed an evolutionary tree, as shown below.Which statement can be inferred from the evolutionary tree?
a)
Species 1 is most closely related to Species 8.
b)
Species 2 is most closely related to Species 3.
c)
Species 3 is most closely related to Species 7.
d)
Species 5 is most closely related to Species 6.
9.

What do we call structures that no longer perform their original function?

a)

Natural Selection

b)

Analogous Structure

c)

Vestigial Structure

d)

Homologous Structure

10.
According to this cladogram, sharks are MOST closely related to which organism? 
a)
Amphibians
b)
Ray finned fish
c)
Crocodiles
d)
Birds
11.
According to the cladogram, which organism is most distantly related to the human?
a)
crayfish
b)
grasshopper
c)
perch
d)
frog
12.

Which rock layer most likely contains fossils of the oldest organisms?

a)

1

b)

2

c)

3

d)

4

13.
A large herd of goats lives in a field full of poison ivy.  Some goats are able to eat the poison ivy while others have become sick when they eat it. Over time the herd as a whole will tend to
a)
Become more likely to eat poison ivy.
b)
Become less likely to eat poison ivy.
c)
Not change in the proportion of goats that can and can not eat poison ivy.
d)
Eat all the poison ivy and leave only plants all the goats can eat.
14.
Breed an organism for a desired trait is the definition of
a)
selective breeding
b)
natural selection
c)
natural breeding
d)
biological evolution
15.

Darwin observed many finch species on the Galapagos Islands. To explain these observations, he

proposed that each species evolved from the same common ancestor, which was a finch species

that migrated to the islands from the mainland. What additional evidence did Darwin use to support

his explanation?

a)

The finch populations were very numerous, and different species often bred with one another.

b)

The finch species lived in different habitats on different islands, which isolated them from one another.

c)

The finch species were distributed evenly among all of the islands, but did not interbreed.

d)

The beaks of the finches were identical, allowing them to eat the same foods on any of the islands.

16.

The graphs below show the changes in crab color at one beach.

Which of the following is most likely to have caused the change in the distribution?

a)

A new predator arrived that preferred dark-tan crabs.

b)

A new predator arrived that preferred light-tan crabs.

c)

A change in beach color made medium-tan crabs the least visible to predators.

d)

A change in beach color made medium-tan crabs the most visible to predators.

17.

In a certain breed of cattle, both red and white hairs show up together. This is an example of which type of inheritance pattern?

a)

incomplete dominance

b)

codominance

c)

multiple alleles

d)

polygenic inheritance

18.

What is name for traits that are controlled by many genes such as height and skin color?

a)

complete dominance

b)

incomplete dominance

c)

co dominance

d)

polygenic

e)

multiple alleles

19.

A child has blood type AB. Which blood types would his parents most likely have?

a)

B and O

b)

O and A

c)

A and B

d)

AB and O

20.
Having two of the SAME alleles for a trait (example HH or hh):
a)
homozygous
b)
heterozygous
c)
recessive
d)
whack, dawg.
21.
This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
22.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable 
23.
In flowers, 2 pink (RW) flowers are crossed. What are the genotypes and phenotypes of their offspring?
a)
100% pink (RW)
b)
50% pink (RW); 25% white (WW); 25% red (RR)
c)
75% pink (RW); 25% white (WW)
d)
100% red (RR)
24.

Which of the following describes what is meant by Natural Selection?

a)

An organism will survive no matter what its adaptations may be

b)

An organism with adaptations that do not allow it to reproduce as effectively as others will survive.

c)

An organism with adaptations that allow it to obtain resources and reproduce more effectively than others will survive.

d)

No organisms will survive.

25.
Definition: fitness
a)
ability to survive and reproduce in a specific environment
b)
organisms with traits well suited to their environment survive and reproduce at a greater rate
c)
a growing population causes a scarcity of resources
d)
differences in the DNA sequence
26.
If you have a parent who has GgBb as their genotype, what are the possible alleles they could donate to their gametes?
a)
GB, Gb, gB, gb
b)
GB, GB, gb, gb
c)
Gb, Gb, Gb, GB
d)
GG, BB, gg, bb
27.
T4 - Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What percentage of the offspring of the cross BbTt x BBtt will have black fur and long tails?
a)
0%
b)
25%
c)
50%
d)
100%

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