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Biology Notes #5

Invertebrates

QuestionAnswer
Why are sponges in the phylum, Porferia? They are "pore-bearers"
What do sponges need for respiration, circulation, and excremation? The movement of water through the pores
How do the cnidarians eat their prey? Use their tentacles to put its prey to its mouth
There 2 ypes the cnidarians have in their life cycle. What are they? Medusa and Polyp
How do cnidarians reproduce? Asexual(Polyp) and Sexual(Medusa)
What are the cnidarians? Jellyfish, corals, and sea anemones
True or False: Annelids have true coeleom True
How do arthropods respire and circulate? Some use gills and some use tracheal tubes
True or false: Worms have asymmetry False
What is asymmetry? No left or right
What is bitennial symmetry? Left or right; front or back
What is radial symmetry? Left or right around the center
What kind of symmetry do sponges have? Asymmetry
How do cnidarians move? Use jet propulsion and hydrostatic skeleton
What prevents annelids from slipping? Setae
How do flatworms move through water? Cilia
What are the 3 types of mollusk? Gastropods, Bivalves, and Cephalopods
Created by: U0105006
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