evolution

Structures are similar in appearance but not in structure

• Vestigial 
• Homologous 
• Analogous Structures 
• Embryonic 

Tags

NGSS.MS-LS4-2

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

• vestigial structures

• DNA

• homologous structures

• the fossil record

Tags

NGSS.MS-LS4-2

The changes of species over time

• Embryonic 
• Natural selection 
• Mimicry 
• Evolution 

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The picture shows a/an ___________

• homologous structure

• vestigial structure

Tags

NGSS.MS-LS4-2

The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---

• are descended from a common ancestor
• Have very similar skeletal structures
• belong to the same species
• must range great distances to eat

Tags

NGSS.MS-LS4-2

What is this an example of?

• Homologous structure

• Analogous structure

• Vestigial organs

• Functional adaption

Tags

NGSS.MS-LS4-2

Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

Tags

NGSS.MS-LS4-2

If two organisms have similar traits of DNA they are probably

• share a common ancestor
• share a common environment
• share a common population
• speciation

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The appendix, which is not needed to survive, is conisdered to be a

• Homologous Structure

• Analagous Structure

• Vestigial Structure

• Homology

Similarities in bone arrangements, like those in the picture, support the hypothesis that...

• these organisms are not well adapted

• these organisms share a common ancestor

• these organisms all share the same DNA sequences

• these organisms are members of the same species

Tags

NGSS.MS-LS4-2