Special notes Flashcards
2 Body forms (polyp & Medusa), stinging cells, gastrovascular, may reproduce asexually
Cnidarians
1mm-10mm, hydrostatic skeleton, mostly parasitic, mouth=sucker
Flatworms
Muscular foot system, visceral mass containing organs, mantle cavity, shell, radula
Molluscs
Cylindrical, open circulatory system, digestive tract, cuticle, hermaphrodites, mouth/anus
Round Worms
Asexual & sexual, flexible soft body, closed circulatory system, some parasitic
Annelida
Chitin, jointed, sexual, can have many limbs, metamorphosis
Arthropods
Endo-skeleton, water vascular system, tube feet
Echinoderms
Notochords, hollow nerve chord—->spinal chord, post anal tail, pharyngeal pouches
Chordates
Porous, aquatic, choanocytes, sessile, a sexual
Sponges