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Vertebrates are members of the kingdom Animalia and the phylum Chordata . Recall that animals that possess bilateral symmetry can be divided into two groups—protostomes and deuterostomes—based on their patterns of embryonic development. The deuterostomes, whose name translates as “second mouth,” consist of two major phyla: Echinodermata and Chordata. Echinoderms are invertebrate marine animals that have pentaradial symmetry and a spiny body covering, a group that includes sea stars, sea urchins, and sea cucumbers. The most conspicuous and familiar members of Chordata are vertebrates, but this phylum also includes two groups of invertebrate chordates.
Deuterostome phylogeny. All chordates are deuterostomes possessing a notochord at some stage of their life cycle.
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the answer is D
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for he speaks poetry and knowledge with marvelous grammar
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A football is a prolate spheroid, and it's shaped that way because that's also the shape of an inflated pig's bladder, which is what the first footballs were made of. ... But as the football evolved — and was constructed of cowhide and rubber — it got even more prolate, which made it easier to carry and easier to throw
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4.1.5.Avoid littering
(3)
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I guess environmental responsibility will help us for clean environment mostly.
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the thing that happens next is when she drops in the water she is going to go look for her friend turtle. i know this because in the story it said "all I want to do is drop in the water with my snorkel and fins and go. but we have to listen to the captain again, even though had heard him three days in a row already" this part of the story shows that she cannot wait to drop in the water and go see her turtle friend. so that is how I know that the next thing that is going to happen in the story is that she is going to go after the turtle.
