A scientist can study <span>the relationship between the Tiktaalik roseae and modern fish and tetrapods by creating </span>a diagram that hypothesizes ancestry relying on the fact that common descent<span> describes how, in </span>evolutionary biology<span>, a group of </span>organisms<span> share a </span>most recent common ancestor<span>.</span>
A physical change could be the plantet and biosphere have a lot more O2 in the air so more organisms can survive and evolve
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Tests can be biased in terms of impact (how they are used) and statistically. Tests can be biased if they treat groups unfairly or discriminate against diverse groups by, for example, “underestimating their potential or over-pathologizing their symptoms”
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Also known as "abalone" which is a
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"Alfred Wegener suggested that continental drift occurred as continents cut through the ocean floor, in the same way as this icebreaker plows through sea ice. ... The supercontinent later broke apart and the continents having been moving into their current positions ever since. He called his hypothesis continental drift."
