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Invertebrates 8 Phyla of Invertebrates

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Presentation on theme: "Invertebrates 8 Phyla of Invertebrates"— Presentation transcript:

1 Invertebrates 8 Phyla of Invertebrates
Part 8

2 Porifera (sponges) asymmetrical Body has canal and pores sessile (attached to object, cannot move)

3 Cnidaria (stinging cell)
Stinging cells and hollow bodies tentacles that surround a mouth

4 Many are parasites, some are Free-Living Can regenerate
*Platyhelminthes (flatworm) 3 kinds of cells _flattened body One body opening Many are parasites, some are Free-Living Can regenerate

5 *Nematoda (roundworm)
3 kinds of cells Round bodies with pointed ends Males & females are separate

6 *Annelida (segmented worm)
3 kinds of cells Body divided into segments (with setae) Most are hermaphrodites & free living

7 Mollusca (soft-bodied)
Soft body usually protected by a shell Body covered by mantle Have muscular foot Most have separate sexes

8 Exoskeleton that sheds by molting Head, thorax, abdomen are main parts
*Arthropoda (jointed leg) Jointed appendages Segmented bodies Exoskeleton that sheds by molting Head, thorax, abdomen are main parts Some separate sexes, hermaphrodites, parthenogenesis Some emit pheromones

9 Echinoderms (spiny skin)
5 part body spines Tube Feet (with Suctions)


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