Study the image about geologic time. A geochronological scale measured in Millions of Years Ago or M Y A. Cenozoic era: Paleogene period, 66 to 23 M Y A, diatrima, many types of mammals, smilodon. Neogene period, 23 to 2. 6 M Y A, smilodon, mammoth. Quaternary period, 2. 6 to today, human, mammoth. During which period did humans first appear on Earth? Quaternary Neogene Paleogene Cenozoic.
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Biology, 23.06.2019 01:00, angelequej1167
If all prokaryotes on earth suddenly vanished, which of the following would be the mostlikely and most direct result? a) the number of organisms on earth would decrease by 10—20%.b) human populations would thrive in the absence of disease. c) bacteriophage numbers would dramatically increase. d) the recycling of nutrients would be greatly reduced, at least initially. e) there would be no more pathogens on earth.
Answers: 3
Study the image about geologic time. A geochronological scale measured in Millions of Years Ago or M...
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