Geologic Time Webquest
Which era do we live in? Precambrian. Cambrian. Paleozoic. Mesozoic. Cenozoic. The first unicellular organisms to form on Earth were ____. Eukaryotes. Prokaryotes. Protocells. Endosymbionts. Evolution occurs in ____. Individuals. Populations. Which is NOT a characteristic of all primates? Opposable thumbs. ................
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