DOL: Evidence of Common Ancestry

Elijah and Liam are studying ancient rock layers to understand how different organisms have evolved over millions of years. What can they use to study the similarities and differences of structures over time?

• Fossil Record

• Biogeography

• Anatomical homologies

• Molecular homologies

• Developmental homologies

Noah is studying how different species of animals are distributed across the world and how they have adapted to their environments over time. What field of study is Noah focusing on?

• Fossil Record

• Biogeography

• Anatomical homologies

• Molecular homologies

• Developmental homologies

Maya and Noah are studying the forelimbs of different animals, such as humans, cats, whales, and bats. They notice that these limbs have similar bone structures. What does this suggest about these animals?

• Fossil Record

• Biogeography

• Anatomical homologies

• Molecular homologies

• Developmental homologies

Ethan and Lily are studying different species and notice that species with similar origins have more DNA in common.

• Fossil Record

• Biogeography

• Anatomical homologies

• Molecular homologies

• Developmental homologies

During a biology class, Aiden and Hannah observed that species with similar origins show similar embryonic development patterns.

• Fossil Record

• Biogeography

• Anatomical homologies

• Molecular homologies

• Developmental homologies