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Evidence of Evolution

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.
Structures are similar in appearance but not in structure
a)
Vestigial 
b)
Homologous 
c)
Analogous Structures 
d)
Embryonic 
2.
Which layer is the youngest
a)
1
b)
2
c)
3
d)
4
3.

Which of the following is the collection of life's remains found in sedimentary rock?

a)

natural selection

b)

homologous structures

c)

Charles Darwin

d)

the fossil record

4.

Similar structures with different purposes found in different species are known as _____

a)

vestigial structures

b)

DNA

c)

homologous structures

d)

the fossil record

5.
The changes of species over time
a)
Embryonic 
b)
Natural selection 
c)
Mimicry 
d)
Evolution 
6.

The picture shows a/an ___________

a)

homologous structure

b)

vestigial structure

7.
The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---
a)
are descended from a common ancestor
b)
Have very similar skeletal structures
c)
belong to the same species
d)
must range great distances to eat
8.

What is this an example of?

a)

Homologous structure

b)

Analogous structure

c)

Vestigial organs

d)

Functional adaption

9.
Which of the following is an example of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the tailbone of a human
10.

All of the following are part of Hardy Weinberg law for populations in equilibirum EXCEPT

a)

Large population

b)

No immigration or emigration

c)

No natural selection

d)

Non random mating

e)

No genetic mutations

11.
Study of embryos of various organisms to show a common ancestor because of similarities in development
a)
natural selection
b)
embryology
c)
speciation
d)
evolution
12.
How do fossils provide evidence that evolution has happened on Earth?
a)
Fossils show how the sizes of certain animals has changed drastically over millions of years
b)
Fossils show that some species have gone extinct
c)
Fossils show how life forms present today are different than those from the past
d)
Different sedimentary rock layers provide evidence for how the environment has changed over time
13.
The diagram illustrates an embryonic stage of two organisms.

Which of the following can be determined by observing the embryos shown in the diagram
a)
The organisms share a common ancestry.
b)
The organisms belong to the same genus.
c)
The organisms are native to the same geographic areas.
d)
The organisms will grow into anatomically similar adults.
14.

What best describes the hind leg bones seen in the whale?

a)

The bones are analogous structures to the fins of living fish.

b)

The bones are vestigial structures that had a function in an ancestor.

c)

The bones are homologous structures to the wings of butterflies.

d)

The bones are fossil structures from an extinct ancestor.

15.

The formation of a new species is a process known as ___________________, which is typically the result of divergence.

a)

microevolution

b)

gradualism

c)

punctuated equilibrium

d)

speciation