Biology, 18.02.2020 23:59 irenecupcake4348
Ichthyosaurs were aquatic reptiles. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are .A) homologous. B) examples of convergent evolution C) adaptations to a common environment D) A, B and C are all correct E) Only two of the responses above are correct.
Answers: 2
Biology, 22.06.2019 05:00, melissapulido198
What must be done to breed dogs for a partical trait
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Biology, 22.06.2019 08:00, bonnerjennifer
During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are
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Biology, 22.06.2019 10:30, haileyw123
Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.
Answers: 3
Ichthyosaurs were aquatic reptiles. Fossils show us that they had dorsal fins and tails, as do fish,...
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