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6.2 and 6.3

Total questions: 27

Worksheet time: 23mins

Name
Class
Date
1.

Evolution is best defined as:

a)

the process which organisms die.

b)

the process which organisms change over time.

c)

the process which organisms that are extinct become revived.

d)

the process which non-living things fossilize.

2.

The solidified remain or imprint of a once living thing are called:

a)

Fossils

b)

Homologous Structures

c)

Vestigial Structures

d)

DNA

3.

What type of evidence is represented in the picture above:

a)

Fossils

b)

Vestigial Structures

c)

DNA

d)

Homologous Structures

4.

What type of evidence is shown in this picture?

a)

Fossils

b)

Homologous Structures

c)

Vestigial Structures

d)

DNA

5.

What type of evidence are shown in the picture above?

a)

Fossils

b)

Embryology

c)

Homologous Structures

d)

Vestigial Structures

6.
The similarities of the bones in the diagram provide evidence that---
a)
The organisms shown lived in the same natural envionrment
b)
The organisms shown may have developed from a common ancestor
c)
The organisms shown have the same genetic diseases
d)
All vertebrate species have identical forelimbs
7.

Adaptations are:

a)

physical or behavioral tendencies.

b)

physical or behavioral characteristics that help an organisms survive and reproduce.

c)

physical or behavioral characteristics that do not help the organism in any way.

d)

genetic mutations that have gone wrong.

8.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
9.

Which scientist is known for his work that he did on the Galapagos Islands to develop his theory of natural selection?

a)

Gregor Mendel

b)

Charles Darwin

c)

Anton Van Leewenhoek

d)

Robert Brown

10.

Which scientist visited the Galapagos Islands and came up with the theory of natural selection?

a)

Theodor Schwann

b)

Gregor Mendel

c)

Charles Darwin

d)

Rudolf Virchow

11.

When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?

a)

Selective breeding

b)

Natural Selection

c)

Cloning

d)

Evolution of all species

12.

Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?

a)

Adaptations

b)

Gradualism

c)

Homologous Structures

d)

Extinction

13.

What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

a)

There were different types of predators on the island.

b)

There were different types of food available on the island.

c)

The finches had no water to drink.

d)

The finches on the mainland could not fly high enough.

14.

When looking at two birds of the same species, you notice that one has darker feathers than the other one. You also notice that one has a beak that is just a little longer. These slight differences within members of the same species are called.....

a)

Fossils

b)

Extinction

c)

Meiosis

d)

Variations

15.
A structure that is inherited from ancestors but has long lost much or all of its original use.
a)
vestigial structure
b)
miniscule structure
c)
analogous structure
16.
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
17.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent without modification
18.
How would you describe these two features?
a)
Homologous structure
b)
Analogous structure
c)
Structural adaption
d)
Functional adaption
19.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
20.
Who was the naturalist that traveled the world to study plants and animals?
a)
Albert Einstein
b)
Charles Darwin
c)
Charles Barkley
d)
Isaac Newton
21.
What characteristic did Darwin observe about the finches on the Galapagos Islands?
a)
Their feathers 
b)
Genotypes 
c)
Their beaks
d)
Their body sizes
22.
Another word for adapt is ____________.
a)
change
b)
create
23.
Darwin referred to this as survival of the fittest. Over time, it results in changes in the inherited characteristics of a population because organisms with adaptations that make them fit for their environment will survive and reproduce better than those without favorable traits.
a)
Natural Selection
b)
Genetic Variation
c)
Survival of the Fittest
24.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
25.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat the food readily available in the environment.
c)
To protect itself against predators.
d)
To protect itself against prey.
26.
The struggle for existence against other members of an organisms species is
a)
Competition
b)
Natural Selection
c)
gene flow
d)
genetic drift
27.
A well-tested concept that explains a wide range of observations is called a(an):
a)
hypothesis
b)
experiment
c)
cause and effect
d)
scientific theory

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