Match each eon or era with the appropriate characteristic or event. 1. hadean eon largest mass extinction in earth's history 2. archean eon time of the dinosaurs 3. proterozoic eon sometimes called "age of mammals" 4. phanerozoic eon toxic atmosphere; first bacteria 5. paleozoic era current eon in earth's history 6. mesozoic era formation of the solar system 7. cenozoic era buildup of oxygen; first eukaryotes

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna.nothing should be altered.the ph should be decreased.the temperature should be raised.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

The function of the ciliary escalator is to