How Closely Are We Related?
BIG HISTORYPROJECT / LESSON 3.1CLOSERHOW CLOSELY RELATED ARE WE?Unless otherwise noted, this work is licensed under CC BY 4.0. Credit: “How Closely Related Are We?”, OER Project, www.oerproject.com/PurposeCould everything on Earth be related? Making some predictions will help you gain an understanding of how closely related other species are to us humans.Process1.Draw a line from each organism (in the left-hand column) to the percentage of DNA you’re guessing it shares with humans (in the right-hand column).Fruit flyChimpanzeeZebrafishBacteriaMustard grassRoundworm2.Why do you think we’re more closely related to some organisms than others?3.What surprised you about how closely related we are to certain organisms?15%21%7%85%36%98%Fruit fly 36%; Chimpanzee 98%; Zebrafish 85%; Bacteria 7%; Mustard grass 15%; Roundworm 21%Fruit flyby Sanjay Acharya -Own work, CC by-SA 4.0 | Chimpanzeeby Alain Houle, CC by 4.0 | Zebrafishby Azul, CC0 | Bacteriaby Dr Graham Beards, CC by-SA 4.0 | Mustard grassby Nafiur Rahman, CC by-SA 4.0 | Roundwormby Bob Goldstein, CC by-SA 3.0,