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Homologous, Analogous + Vestigial structures

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.
Structures that are inherited from a common ancestor are homologous.
a)
True
b)
False
2.
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
3.
Bird wings and butterfly wings are an example of
a)
Homologous structure
b)
Analogous structure
c)
Mimicry
d)
Camoflague
4.
Shark fins and dolphin fins are examples of analogous structures.
a)
True
b)
False
5.
Analogous structures show common ancestry.
a)
True
b)
False
6.

Evolved from the same ancestor, but have different functions

a)

Homologous structures

b)

Analogous structures

c)

Vestigial structures

d)

All of the above

7.

Evolved from different ancestors, but due to living in similar environments have a similar function.

a)

Homologous structures

b)

Analogous structures

c)

Vestigial structures

d)

All of the above

8.

Penguin flipper and fish fin

a)

Homologous

b)

Vestigial

c)

Analogous

d)

None of the above

9.
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
10.

An anatomical feature that no longer seams to have a purpose in the current form of an organism

a)

Homologous structure

b)

Analogous structure

c)

Vestigial structure

d)

None of the above

11.

Which of the following are vestigial structures humans have? Select all that apply.

a)

Appendix

b)

Tailbone

c)

Forearm bones

d)

Goosebumps

12.

Whales have pelvic bones. What type of structure does this best represent?

a)

Homologous structure

b)

Analogous structure

c)

Vestigial structure

d)

None of the above