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Unformatted text preview: - First appearance of eye is only a pigment spot.- Feeding system, food comes in. Swims around, comes down, and forms into a coral.- Zooxanthellae, photosynthesize, and make food for themselves. Plant animal and mineral all in one.- Flatworms. Hermaphrodites have both male and female sexual organs. Cells have plasticity, tear it off, it grows back. - Tape worms, not flat worms, are inside humans.- Round worms, have more complex systems. Mollusca have all the systems. Cephalopod means head foot. Octopus and Squid have really big eyes Arthropods, joint head and foot- Eye is most complex- No insects in the ocean. 10 million insects Number of species in Hawaii, 700 species of flies in Hawaii. Speciate because thy live in confined valleys, separate species of flies. Sharks havent changed their shape because they are perfectly adapted to their environment. They can withstand big changes because of their general ecology....
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- Fall '06