Based on current phylogeny, which of these events happened most recently?
Added by Casey F.
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Step 1: Identify the most recent common ancestor of the organisms in question. Show more…
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Which of the following events occurred last? (I.e. the most recently.) The "Cambrian explosion" in which most of the current major animal lineages originated (e.g. arthropods, echinoderms, mollusks and chordates). Appearance of the first flowering plants. Appearance of the first tetrapods on land. The extinction of non-avian dinosaurs.
Lainey R.
Sri K.
Arrange the events in order, from most ancient to most recent. a. Cambrian explosion of diversity b. Origin of animals c. Tetrapods move onto the land d. Extinction of dinosaurs e. Homo erectus leaves Africa f. First jawed vertebrates evolve
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