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Evidence for Evolution

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.
A change in the inherited characteristics of an organism over time is ________
a)
evolution.
b)
development.
c)
growth.
d)
ancestry.
2.
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.
3.
Common ancestry relates to evolution because
a)
evolution only happens when there are common ancestors.
b)
Common ancestors make evolution happen more quickly.
c)
evolution can never take place with common ancestors.
d)
the more two organisms have in common, the more recent is their common ancestor during their evolution.
4.
Which of the following pieces of evolution evidence deals with comparing similar structures in various species?
a)
fossil record
b)
comparing embryology
c)
comparing biochemistry
d)
comparing anatomy
5.
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
6.

Does the presence of homologous structures in genetically different animals suggest common ancestry?

a)

Yes

b)

No

7.

What type of evidence are shown in the picture above?

a)

Fossils

b)

Embryology

c)

Homologous Structures

d)

Vestigial Structures

8.

_________________ show clear changes in an organism over time, the environment organisms lived in, the time period the organism lived in, and where the organism lived.

a)

DNA

b)

Vestigial structures

c)

Fossils

d)

Homologous structures

9.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
10.
A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?
a)
This is purely by chance and isn't significant
b)
The extinct dinosaur and modern bird share a common ancestor
c)
All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today
d)
Dinosaurs choose to fly, and evolved into birds to escape predation and capture food
11.

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

12.

What type of evidence is shown in the image above?

a)

Fossils

b)

Vestigial structures

c)

Homologous Structures

d)

DNA

13.
According to this data, the unknown bacterial species is most closely related to: 
a)
Species I
b)
Species II
c)
Species III
d)
Species IV
14.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
15.

Which IS NOT used as evidence for evolution?

a)

Fossils

b)

Natural Selection

c)

Early Development/Embryos

d)

Body Structure/Anatomy

e)

DNA/Proteins

16.

Because whales have a pelvis and femurs, it shows whales are descended from an ancestor that was able to _____________________.

a)

walk

b)

sing

c)

swim

d)

polka

17.

A category of body structures that are formed in similar ways during embryonic development and share similar patterns of bone structure.

a)

Homologous structures

b)

Analogous structures

c)

Vestigial structures

d)

Bone structures

18.

Select all that apply to the image displayed.

a)

Has wings

b)

Has feathers

c)

Has bones

d)

Can fly

e)

An example of analogous structures

19.

A type of structure that is physically present, but does not seem to serve a significant function for an organism.

a)

Homologous structure

b)

Analogous structure

c)

Vestigial structure

d)

Standard structure

20.

The appendix, tailbone, and wisdom teeth are all examples of what type of structure in humans?

a)

Homologous

b)

Analogous

c)

Vestigial

d)

Modern