Evidence Evolution

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures

• homologous structures

• adaptive radiation

• fossil

Tags

NGSS.HS-LS4-1

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

• natural selection

• embryology

• speciation

• evolution

Tags

NGSS.HS-LS4-1

How do fossils provide evidence that evolution has happened on Earth?

• Fossils show how the sizes of certain animals has changed drastically over millions of years

• Fossils show that some species have gone extinct

• Fossils show how life forms present today are different than those from the past

• Different sedimentary rock layers provide evidence for how the environment has changed over time

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-5

Which is not evidence for evolution?

• many animals have homologous structures due to common ancestry

• Many animals have vestigial structures from an ancestor

• We can observe changes in life forms by observing the fossil record

• All of these are evidence for evolution

Tags

NGSS.HS-LS4-1

What is this an example of?

• vestigial structures

• embryology

• homologous structures

• fossil record

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

The study of the early stages of development that is one evidence of evolution is:

• Homologous Structures

• Embryology

• Vestigial Organs

Tags

NGSS.HS-LS1-4

NGSS.HS-LS4-1

Structures are similar in function but not in anatomical structure
EXAMPLE: bird wings vs. butterfly wings

• Vestigial

• Homologous

• Analogous Structures

• Embryonic

Tags

NGSS.MS-LS4-2

Homologous structures are ​ (a)   in structure but ​ (b)   in function

• similar

• different

Tags

NGSS.MS-LS4-2

The picture shows a/an ___________

• homologous structure

• vestigial structure

According to this data, the unknown bacterial species is most closely related to: 

• Species I

• Species II

• Species III

• Species IV

Tags

NGSS.HS-LS3-1