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Southern Middle Evolution

Total questions: 30

Worksheet time: 35mins

Name
Class
Date
1.

Which of these species is not extinct?

a)

T Rex

b)

Dodo bird

c)

Mastadon

d)

Bison

2.

The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

a)

Variation

b)

Dominant trait

c)

Recessive trait

d)

Adaptation

3.

Where are hereditary traits stored in all organisms?

a)

In the blood

b)

In the brain

c)

In the DNA

d)

In the heart

4.

What do we see happening in this photo with the owl?

a)

Extinction

b)

Natural Selection

c)

Camouflage

d)

Embryology

5.

Why might it be helpful for a species to have a lot of variations?

a)

They can't be seen by predators

b)

If the environment changes, they might be better able to adapt

c)

It is helpful in asexual reproduction

d)

They don't recognize each other

6.

If a sick person takes an antibiotic but it doesn't kill all of the bacteria causing the sickness, what might explain this?

a)

Variations in the bacteria allowed some organisms to be less affected by the antibiotic

b)

Bacteria cannot be killed by antibiotics

c)

You cannot cure a bacterial infection

d)

Bacteria do not cause sicknesses

7.

Changes in inherited characteristics can cause a species to change into a new one. This change over time is called?

a)

Graduation

b)

Selective Breeding

c)

Revolution

d)

Evolution

8.

Which beak is probably best suited to crack open nuts?

a)

1

b)

2

c)

3

d)

4

9.

Heredity is:

a)

Survival of the fittest

b)

The passing of genetic traits from parent to offspring

c)

The change in allele frequency over time

d)

Unexplained

10.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
11.
Any variation that can help a species survive in a given environment is called...
a)
an adapatation
b)
a characteristic
c)
a homologous structure
d)
a vestigial structure
12.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
13.
Only populations can evolve.
Individuals can not evolve.
a)
True
b)
False
14.

Mutations happen

a)

when the environment changes

b)

when the animal needs to adapt

c)

at random

d)

after adaptation

15.

Peppered moths were able to adapt to their environment because

a)

They decided to change colors in order to survive

b)

The population had varying traits

c)

Pollution covered the trees

d)

The trees camouflaged all moths

16.
_____________  is the study of embryos to see how their similarities and differences indicate an evolutionary relationship.
a)
Paleontology
b)
Common ancestry
c)
Homologous structure
d)
Embryology
17.
The most recent ancestral form or species from which two different species evolved is known as ________________________.
a)
a common ancestor.
b)
an embryonic stage.
c)
development.
d)
evolution.
18.
In the the third embryonic stage (bottom row), mammal embryos _____
a)
have more characteristics in common with each other than with reptiles or birds.
b)
are still hard to tell from reptiles and birds.
c)
have the same features as fish, reptiles, and birds.
d)
do not have tails.
19.
The more similar the stages of embryonic development, the more likely that organisms share ____________
a)
a common ancestor.
b)
embryos.
c)
eggs.
d)
embryology.
20.
Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?
a)
The function of these bones is the same in all animals
b)
They live in similar environments
c)
They have a common ancestor
d)
All organisms resemble humans
21.
Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
22.
The structures shown are_________
a)
homologous
b)
heterologous
c)
analogous
d)
vestigial
23.
________ is important because it increases the likelihood that some individuals will survive.
a)
variation
b)
natural selection
c)
fossils
d)
homologous structures
24.
Which rock layer contains the newest fossils?
a)
F
b)
E
c)
B
d)
C
25.

Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.

a)

DNA

b)

Vestigial structures

c)

Fossils

d)

Homologous structures

26.

When vertebrates are in the early stages of development (an embryo) they all possess....

a)

gill slits and tails

b)

backbone and hands

c)

hands and feet

d)

tongue and mouth

27.

Which of the following are homologous structures?

a)

whale flipper and bat wing

b)

legs on a beetle and legs on a cat

28.

50 million years ago, the Pakicetus had nostrils toward the front of it's skull Gray whales, modern-day descendants of the Pakicetus have nostrils toward the back of the skull. The Aetiocetus lived 25 million years ago, and it's nostril was in the middle of the skull. In this case, the Aetiocetus serves as a ______________.

a)

index fossil

b)

transitional fossil

29.
___ are mistakes in the DNA that cause variation within a species.
a)
mutations
b)
adaptations
c)
speciations
d)
isolations
30.
Which of these statements best describes what Darwin observed on the Galapagos Islands?
a)
The finch population on each island was unique
b)
The finches on the islands ate seeds and nuts, but no insects
c)
The finches on the islands were the same as the finches in Ecuador
d)
The finches could produce offspring only with finches from other islands

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