Comparative ancestry looks at the structures of...

• current and fossilized organisms

• DNA and amino acids

• layers of the Earth

• continental drift

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Where are the oldest fossils found?

• at the bottom

• at the top

• in the middle

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

This element decays at a predictable rate that helps us date fossils.

• carbon-14

• Geological Strata

• nitrogen 14

• carbon-4

Tags

NGSS.HS-PS1-8

Fossils for the same organism have been found on multiple continents.

This shows that...

• Fossils can swim the oceans

• the Earth has changed a lot over time

• The Earth is flat

• A long time ago, there were no oceans

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

This bat and moth have structures that evolved separately.

Click on ALL of their analogous structures.

Tags

NGSS.MS-LS4-2

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

• Femur

• tail bone

• Brain

• Finger

similar physical features in organisms that share a common ancestor are called...

• homologous structures

• eyes and ears

• analogous structures

• vestigial structures

Tags

NGSS.MS-LS4-2

The hind leg bones in a whale are examples of

• homologous structures
• analogous structures
• fossils
• vestigal structures

Tags

NGSS.MS-LS4-2

What type of evidence is shown with the diagram above?

• Molecular

• Anatomical

• Embryological

• Fossil

Tags

NGSS.MS-LS4-3

Match the following

• vestigial structures

• 
• geological Strata

• 
• homologous structures

• 
• embryo

• 
• analogous structures

• 

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3