8.1 - Evidence for Evolution

What is common ancestry?

• When a species no longer exists

• When organisms are descended from a single ancestor

Tags

NGSS.MS-LS4-2

The fossil record help scientists

• better understand the kinds of organisms that lived in the past

• better understand how the environment has changed over time

• better understand how organisms have evolved over time

• all of the above

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A change in the inherited characteristics of an organism over time is ________

• evolution.
• development.
• growth.
• ancestry.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

NGSS.MS-LS4-6

In stage one (top row) of these embryos, most of the embryos________

• look very similar.
• have very different features.
• show different stages of development.
• have only a tail if they are non-human.

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

NGSS.MS-LS4-2

What type of evidence are shown in the picture above?

• Fossils

• Embryology

• Homologous Structures

• Vestigial Structures

Tags

NGSS.MS-LS4-3

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.

• DNA

• Vestigial structures

• Fossils

• Homologous structures

Tags

NGSS.MS-LS4-2

_____________________are features present in modern organisms which are no longer in use.

• DNA

• Vestigial structures

• Fossils

• Homologous structures

Tags

NGSS.MS-LS4-2