Evidence of Evolution

What is suggested by the similarity of early embryos of different species of vertebrates?

• no evolutionary relationships between the groups

• similar environments in the past

• evolution from a distant common ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Two organisms that are closely related would have

• very similar DNA sequence

• no proteins in common

• exactly the same DNA sequences

• completely different DNA sequence

Tags

NGSS.MS-LS4-2

Study of embryos of various organisms to show a common ancestor because of similarities in development

• natural selection

• Speciation

• Embryology

• Evolution

Tags

NGSS.MS-LS4-3

Structures with similar parts but have different functions; suggests that organisms share a common ancestry

• vestigial structures

• Analogous structures

• homologous structures

• Fossil

Tags

NGSS.MS-LS4-2

The most recent ancestral form or species from which two different species evolved is known as ________________________.

• a common ancestor.
• an embryonic stage.
• development.
• evolution.

Tags

NGSS.MS-LS4-2

Common ancestry relates to evolution because

• evolution only happens when there are common ancestors.
• Common ancestors make evolution happen more quickly.
• evolution can never take place with common ancestors.
• the more two organisms have in common, the more recent is their common ancestor during their evolution.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

What type of evidence is represented in the picture above:

• Fossils

• Vestigial Structures

• DNA

• Homologous Structures

Tags

NGSS.MS-LS4-2

What type of evidence is shown in the image above?

• Fossils

• Vestigial structures

• Homologous Structures

• DNA

Tags

NGSS.MS-LS4-1

The similarities of the bones in the diagram provide evidence that---

• The organisms shown lived in the same natural envionrment
• The organisms shown may have developed from a common ancestor
• The organisms shown have the same genetic diseases

Tags

NGSS.MS-LS4-2

Click on ALL examples of a vestigial structure?

• A whale's pelvis and femur.

• A snake's hind legs.

• A human's nose.

• A human's appendix.

• A human's wisdom teeth.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1