Endosymbiotic Theory

Unravel the mystery of eukaryotic cell evolution with our Endosymbiotic Theory worksheet!

Cell basic unit of life Endosymbiosis ecological relationship in which one organism lives within the body of another Eukaryote cell that has a nucleus and contains membrane-bound organelles Prokaryote cell that does not have a nucleus or membrane-bound organelles The endosymbiotic theory gives an explanation for how eukaryotic cells could have evolved from prokaryotic cells that lived in symbiosis (lived together). It is thought that chloroplasts evolved from photosynthetic bacteria and mitochondria evolved from bacteria that used oxygen to make energy and were engulfed by larger bacteria, but not consumed.--Prokaryote vs. Eukaryote--Prokaryotes have no nucleus. So the saying goes "Pro - No"Eukaryotes have a nucleus. So the saying goes "You - Do" True cells that have chloroplasts also have a mitochondria eukaryotes came from prokaryotes all eukaryotic cells have a mitochodria mitochondria were thought to have come before chloroplasts mitochondria and chloroplasts have their own DNA that is separate from the nucleus False mitochondria and chloroplast DNA are the same chloroplast DNA is the same as the nucleus prokaryotes came from eukaryotes all eukaryotic cells have chloroplasts chloroplasts were thought to have come before mitochondria