Tree of Life Common ancestry – all species are related to one another, even if only very distantly DNA Segment: Organism 1. CGAGT Organism 2. GGGAG Organism 3. CGAGG Common Ancestor of 1 & 3! Common Ancestor of 1, 2, & 3! #1 #2 #3
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The “Missing Link” No such thing as a “missing link”! It’s a tree, not a stepladder! No!
No higher organisms. No lower organisms. All organisms “branch” from a common ancestor
Transitional Forms No current species evolved from any other current species! not Evolution does not work this way!