Elias and Maria AP Biology

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Elias and Maria AP Biology Annelids Elias and Maria AP Biology

ANNELIDS Ex: Leeches, Earthworms Anus comes last No gender Not Exo or Endo Eats with a tube Liquid filled Coelom Inhabits the Land and the Sea Divided Bilaterally So many segments Ex: Leeches, Earthworms

Defining Characteristics Protostomates (the mouth comes before the anus) Coelom is in segments and filled with liquid (three layers of tissue) Has segmentation Hermaphrodites (asexual or sexual reproduction) Hydroplastic (skeleton is maintained by water pressure) True digestive tract ie. One long tube Cerebral ganglia act as the brain 5 hearts