#Question id: 4956
#11. Evolution and Behavior
Which measurement would help determine absolute dates by radiometric means?
#Question id: 4957
#11. Evolution and Behavior
How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
#Question id: 4958
#11. Evolution and Behavior
What is true of the fossil record of mammalian origins?
#Question id: 4961
#11. Evolution and Behavior
An early consequence of the release of oxygen gas by plant and bacterial photosynthesis was to
#Question id: 4963
#11. Evolution and Behavior
Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?
#Question id: 4964
#11. Evolution and Behavior
Which of the following statements provides the strongest evidence that prokaryotes evolved before eukaryotes?