BIOL 202 Lecture Notes - Lecture 9: Xenacoelomorpha, Cassidinae, Myriapoda
30 Jan 2017
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Find ancestor part 1 (tophat) which one of the s e re pre s e nts the a nce s tor to the living p hyla. Clos es t living s p ecies p a rt 2. Interesting predator: it lays its eggs in another living incest. Parasitoid to cockroaches: even though the cockroaches are bigger, it paralyzes the cockroach. All segmented animals: myriapoda, millipedes, centipedes, 2 tagma: head & trunks, uniramous legs, 4 pairs of head appendages terrestrial, 4 classes. Phylum myriapoda, class diplopoda: millipedes, 11 to 100 trunks segments, 2 pairs of legs per segment, african millipede, similarities to the polychaetes; movement (ganglions centrally coordinated, detritivores and herbivores. Centipedes predators: many produce hydrogen cyanide. Phylum myriapoda, class chilapoda: centipedes, 1 pair of legs per segment, predators, poisonous claws, hexapods, 3 classes (primarily the insects) Iridescence: 3 tagma: head, thorax & abdomen.
