Topic 7.7:
Common Ancestry
Don’t forget to take time to review for your AP Exam!
Pre work 2
Live Session 1
Pre-work 1
Live Session 2
Template Design- Anne Price
Weekly Summary
Pre work 2
Live Session 1
Pre-work 1
Live Session 2
7.7: Common ancestry
What will we learn?
Weekly Summary
What structural evidence supports common ancestry of all eukaryotes?
7.7: Common Ancestry
What will we learn?
7.7: Common ancestry
ENDURING UNDERSTANDING
EVO-2 Organisms are linked by lines of descent from common ancestry
LEARNING OBJECTIVE
EVO-2.C Describe structural and functional evidence on cellular and molecular levels that provides evidence for the common ancestry of all eukaryotes.
ESSENTIAL KNOWLEDGE
EVO-2.C.1 Structural evidence indicates common ancestry of all eukaryotes—
a. Membrane-bound organelles
b. Linear chromosomes
c. Genes that contain introns
Structural evidence indicates common ancestry for all eukaryotes.
What evidence supports common ancestry?
Pre work 2
Live Session 1
Pre-work 1
Live Session 2
Weekly Summary
7.7: Common ancestry
Membrane organelles are structural evidence for common ancestry of all eukaryotes.
Identify the structural similarities between chloroplasts and mitochondria.
Nucleus:
Various other organelles:
Pre work 2
Live Session 1
Pre-work 1
Live Session 2
Weekly Summary
7.7: Common ancestry
Linear chromosomes are found in all eukaryotes.
How do eukaryotic chromosomes differ from prokaryotic genomes?
Introns are common among all eukaryotes.
The genetic code of all eukaryotes contain introns.
Pre work 2
Live Session 1
Pre-work 1
Live Session 2
Weekly Summary
7.7: Common ancestry
Let’s Practice: Argumentation
KEY TAKEAWAY
Your answer:
How did you do?
Membrane bound organelles, linear chromosomes, and introns provide evidence of common ancestry of all eukaryotes!