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c - TWO each half grows new part-Turbellarians(free living...

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AP Biology Campbell Textbook Notes Flatworms - soft worms with tissues and organ systems, have ectoderm, endoderm, and mesoderm, bilateral symmetry, and cephalization. They are acoelomates (no fluid filled cavity). - Pharynx (muscular tube, aids in digestion) Excretion: Flame cells (removes water). Ganglia (groups of nerve cells). Eyes pot (detects light). - Hermaphrodite: have both M and F reproductive organs. Fission occurs when organism splits into
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Unformatted text preview: TWO, each half grows new part,-Turbellarians (free living, marine or fresh)-Flukes: Trematoda ( parasitic, affect internal organs, cause Schistosomiasis in humans, burrow into intestines and embryos are passed out of body in feces, have intermediate hosts of snails.)-Tapeworms: Cestoda ( scolex-head, proglottids – segments which make worm’s body, testes – male reproductive organs). Human eats cysts and is exposed to tapeworms....
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