Evidence of Evolution

1

2

4

6

Dropdown

Homologous structures are ​

Select answer

in structure but ​

Select answer

in function

7

Dropdown

Analagous structures are ​​

Select answer

in structure but ​

Select answer

in function

9

VIDEO: Vestigial Structures (2m)

10

11

Body parts of an organism that have a

similar function but

are different in structure

Body parts of an organism that have a
similar structure to their ancestors but

have lost their function

Body parts of organisms that have a

similar structure but

are different in function

Human wisdom teeth, goosebumps

and intestinal appendix

Bone structures of bat wings, dolphin

flippers, dog legs and human arms

Bat wings, bird wings and

insect wings

Multiple Choice

Body parts of an organism that have a similar structure to their ancestors but have lost their function

• Homologous structures

• Analogous structures

• Vestigial structures

Multiple Choice

Body parts of an organism that have a similar function but 

are different in structure

• Homologous structures

• Analogous structures

• Vestigial structures

Multiple Choice

Body parts of organisms that have a similar structure but 

are different in function

• Homologous structures

• Analogous structures

• Vestigial structures

Multiple Choice

Human wisdom teeth, goosebumps and intestinal appendix

• Homologous structures

• Analogous structures

• Vestigial structures

Multiple Choice

Bone structures of bat wings, dolphin flippers, dog legs and human arms

• Homologous structures

• Analogous structures

• Vestigial structures

Multiple Choice

Bat wings, bird wings and 

insect wings

• Homologous structures

• Analogous structures

• Vestigial structures

12

HHMI's BioInteractive - Click and Learn - The Origin of Birds: Comparative Anatomy of the Domestic Chicken

You can open this webpage in a new tab.

Copy link

Open in new tab

COMMON ANCESTRY:

●The fossil record shows that chickens, crocodiles, and dinosaurs may have all come from the same common ancestor.

●Evidence to prove this comes from comparing the bone structures of each creature.

●What is the name of this common group?: ______________________

EVIDENCE #1: Pseudosuchia vs
Dinosauria

Is a chicken a:____ Pseudosuchia
_x___ Dinosauria

Which BONE STRUCTURE
was used as evidence?: ___________

EVIDENCE #2: Ornithischia vs
Saurischia

Is a chicken a:____ Ornithischia
____ Saurischia

Which BONE STRUCTURE
was used as evidence?: ___________

EVIDENCE #3: Sauropodomorpha
vs Theropoda

Is a chicken a:____ Sauropodomorpha
____ Theropoda

Which BONE STRUCTURE
was used as evidence?: ___________

EVIDENCE #4: Ceratosauria vs
Tetanurae

Is a chicken a: ____ Ceratosauria
____ Tetanurae

Which BONE STRUCTURE
was used as evidence?: ___________

EVIDENCE #5: Tyrannosaurid vs
Maniraptoran

Is a chicken a: ____ Tyrannosaurid
____ Maniraptoran

Which BONE STRUCTURE
was used as evidence?: ___________

EVIDENCE #6: Dromaeosauridae vs
Avialae

Is a chicken a: ____ Dromaeosauridae
____ Avialae

Which BONE STRUCTURE
was used as evidence?: ___________

EXPLORATION ACTIVITY: The Origin of Birds

13