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For question 1 I would agree with "P" For question 2 the answer would be "M" although an argument could be made for "O". Consider that before birth "M" should be the points were blood contains the most oxygen since it is coming directly form the oxygen exchange While after birth it contains the least amount of oxygen ...


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The Greenland shark (Somniosus microcephalus) has been reported to need at least 156 ± 22 years reach to sexual maturity1. This is also thought to be the vertebrate with the longest lifespan. Reference 1: Nielsen, J., Hedeholm, R. B., Heinemeier, J., Bushnell, P. G., Christiansen, J. S., Olsen, J., ... & Steffensen, J. F. (2016). Eye lens radiocarbon ...


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This article provides general facts about Tuataras, one of which is: Tuataras reproduce slowly. They take 10-20 years to reach sexual maturity. Males can mate every year, but females breed every two to five years. It takes the female between one and three years to provide eggs with yolk, and up to seven months to form the shell. Then it takes an additional ...


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