Biology, 02.03.2020 22:54 lunnar2003
Students studying a population of salamanders in a vernal pool mark each salamander caught as it's entering the pool. During the first spring migration to the pool, the students mark 200 salamanders. The following year, they again capture 200 salamanders. Of these, 20 were from the previous year. Students use this information to calculate that they captured of the total population and that the total salamander population in their pool is about .
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Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?
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Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of
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Students studying a population of salamanders in a vernal pool mark each salamander caught as it's e...
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