chapter 7 lab practical porifera, cnidaria, ctenophora ... · chapter 7 test study guide porifera,...
TRANSCRIPT
Chapter 7 Lab Practical Porifera, Cnidaria,
Ctenophora, Mollusca
Porifera Skeleton and Cells
Porifera Water Flow
Porifera Organization and Morphology
Asconoid – simplest type; shaped like a tube or vase with a single osculum
Porifera Organization and Morphology
Syconoid – larger type with series of canals
Porifera Organization and Morphology
Leuconoid – most complex and most common; numerous canals that lead to chambers
Class Hexactinellida
glass sponge; ex: Euplectella – Venus’s flower basket
Cnidarian Characteristics
• Contain stinging cells called cnidocytes in their tentacles that contain coiled stingers called nematocysts that can shoot out & paralyze prey
Cnidarian Body Plan
• have 2 basic body forms: polyp and medusa
Cnidarian Life Cycle
Class Hydrozoa
• Portuguese man-of-war (Physalia physalis)
Class Scyphozoa Aurelia aurita (Moon Jellyfish)
Class Scyphozoa Chrysaora fuscescens (Pacific Sea Nettle)
Class Anthozoa Stony Corals (Branching Coral and Doming Coral)
Class Anthozoa Gorgonians (Sea Whips and Sea Fans)
Class Cubozoa Box Jellyfish
Phylum Ctenophora Sea Gooseberry
Class Polyplacophora
• ex: Chiton
Class Gastropoda
• ex: Abalone
Class Gastropoda
• ex: Nudibranch (sea slug)
Class Bivalia
• ex: Oysters
Class Bivalia
• ex: Scallops
Class Bivalia
• ex: Clams
Adductor
Class Cephalapoda
• Chromatophores in the skin can help change color for camouflage
Class Cephalapoda
• Use their radula & beak to feed
radula
beak
Class Cephalapoda - Squid
Class Cephalapoda - Octopus
Class Cephalapoda – Cuttlefish
Class Cephalapoda – Chambered Nautilius
Chapter 7 Test Study Guide Porifera, Cnidarian, Ctenophores, Mollusks
•Vocab from the terms in the Lab Practical
•Symmetry types
•Classification (classes found in each Phylum)