mollusks

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=dtMnpUK_mm2IpM&tbnid=DnN7nf1ziGwB8M:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.poptower.com%2Fgary-snail-spongebob-picture-14604.htm&ei=ZJ8_UaznO4SvqgGvg4DQAg&bvm=bv.43287494,d.aWc&psig=AFQjCNEJN5n82SQ_GXgFE7cPgNtpmBCekQ&ust=1363210454498634

Ancestral Protist

segmentation

true tissue

radial symmetry

bilateral symmetry

Deuterostomes:eucoelom

Protostome: schizocoelem

pseudocoelom

Porifera

Cnideria

Platyhelminthes

Nematoda

Mollusca

AnnelidaEchinodermata

ChordataArthropoda

no true tissues

acoelom

http://www.wshs.fcps.k12.va.us/academic/science/1project/zoo01/zooper4/zoopor/porifera.htm

http://www.wshs.fcps.k12.va.us/academic/science/1project/zoo01/zooper6/zoocni/cnidaria.htm

http://www.wshs.fcps.k12.va.us/academic/science/1project/zoo01/zooper6/zooech/echinode.htm

http://duane.zehr.com/explorer/fireworm.jpg

http://www.nhm.ac.uk/hosted_sites/tcp/hlun.jpg

Phylum Mollusca

Class Polyplacophora

Class Gastropoda

Class Bivalvia

Class Cephalopoda

More than 500,000 known species

chitons SnailsSea slugsnudibranchs

clams SquidOctopusCuttlefishNautilus

Class Scaphopoda

Tusk shells

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=oQSqq6a1BEioUM&tbnid=BHW2FAT1qYkeHM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.britannica.com.ph%2Fzoology%2Fmollusk-372416.html&ei=6J0_Uc3GLo-vqQGmnIF4&bvm=bv.43287494,d.aWc&psig=AFQjCNHqF-OUHuAFrwZkq0RKnQ11I9UUOQ&ust=1363209997565550

Three main parts:

• Muscular foot- for movement• Visceral mass- contains most of the

internal organs

• Mantle cavity- houses gills

mantle

foot

visceral mass

• Grazers (radula- scraping tongue)

• Filter feeding

• Egg eaters

• Active predation

Kingdom AnimaliaPhylum Mollusca

Class Polyplacophora chiton

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=p8S9nWAR5HOfOM&tbnid=q6LIn_0rXajCvM:&ved=0CAUQjRw&url=http%3A%2F%2Fio9.com%2Fchiton-overlords%2F&ei=Bp8_Ueb1EcK5qgHo9oD4CQ&bvm=bv.43287494,d.aWc&psig=AFQjCNE2onetr1DKwOdhdQLCz1Zhom0FKA&ust=1363210352151041

Class Scaphopoda tusk shell

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=0vcZnzIExmA-DM&tbnid=Adg9k7Kzg44MdM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.biocyclopedia.com%2Findex%2Fgeneral_zoology%2Fclasses_of_molluscs.php&ei=ep4_UdP-HZTtqAGS3oHwCg&bvm=bv.43287494,d.aWc&psig=AFQjCNEGn7NH_990_v46OKoysngSav1N_g&ust=1363210218635871

Spanish Dancer (nudibranch) & egg mass

Class GastropodaSubclass Opisthobranchia

nudibranchsPhistella

Phylum MolluscaClass Gastropoda

nudibranchsnudibranchs

Nembrotha kubaryana

Cuthona sp.

Chromodoris annae Halgerda batangas

Chromodoris

nudibranchsnudibranchs

http://blog.photoshelter.com/image/n1.jpg

Cowery

Opihiperiwinkle

Class Gastropoda

Cone snail

http://www.imagequest3d.com/pages/general/news/images/cone_shell.jpg

EpitomiumEpitomium

Triton’s trumpetTriton’s trumpet

pterapods

Class Bivalvia

Class Cephalopoda

Squid

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=TfzCSR9jRNvVDM&tbnid=cPuOMbZe1QycmM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.allposters.com%2F-sp%2FThe-Male-Bigfin-Reef-Squid-Sepioteuthis-Lessoniana-Can-Reach-14-Inches-in-Length-Hawaii-USA-Posters_i8998076_.htm&ei=1KA_UdPgG8jbqQGn9IGACQ&bvm=bv.43287494,d.aWc&psig=AFQjCNGdc4VZ5OchBXAnERs7CUIdFnxsjQ&ust=1363210795682341

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=Wuytpofmyfy4UM&tbnid=gOAJaaj0_cTduM:&ved=0CAUQjRw&url=http%3A%2F%2Fmlmlblog.wordpress.com%2F2009%2F12%2F24%2Ffirefly-squid%2F&ei=9aA_UYPJCcLlqgHxzYF4&bvm=bv.43287494,d.aWc&psig=AFQjCNGxGPkR-wQAndsGG8dV8uiFKp-ObQ&ust=1363210862780915

Class Cephalopoda

http://www.youtube.com/watch?v=U2s3C0lkQE0

http://www.youtube.com/watch?v=NR53smpV_xg

Class Cephalopoda

Flamboyant cuttlefish

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=2VB2BjxVxOVW5M&tbnid=dDXlqT82kos9IM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.uwphotographyguide.com%2Fdive-adventure-dumaguete&ei=5p8_UZT4EofsqAGAvYGIDA&bvm=bv.43287494,d.aWc&psig=AFQjCNHqlPckz2SL7vCQnP-UsuZmohdq8Q&ust=1363210533820985

Class Cephalopoda

nautilus

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=ASmMWtuLpeXyHM&tbnid=SnEv4oMiz5koKM:&ved=0CAUQjRw&url=http%3A%2F%2Feol.org%2Fpages%2F2312%2Fhierarchy_entries%2F49166820%2Foverview&ei=B6M_Uby9JYKRrgGN2oGgBA&bvm=bv.43287494,d.aWc&psig=AFQjCNF1DQZjSxNANU_wjD7Q02D5PInbLg&ust=1363211373669913

Class Cephalopoda

octopus

Octopus Intelligence

http://www.youtube.com/watch?v=GQwJXvlTWDw

Start at 2 minutes

flatfish

lionfish

Sea snake

Mimic octopus from Indonesia

http://www.youtube.com/watch?v=H8oQBYw6xxc

Dumbo

Vampire

Coconut

Amphioctopus marginatus

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=rskGdSzIW_HehM&tbnid=L4okz6LfTanlMM:&ved=0CAUQjRw&url=http%3A%2F%2Fshanahan1.pbworks.com%2Fw%2Fpage%2F16014013%2FDumbo%2520Octopus%2520by%2520Aaron%2520G&ei=LKE_UfCBEoeYqQHt-IDACw&bvm=bv.43287494,d.aWc&psig=AFQjCNGv-1DvIPd-PbVw0iLiLBZctRubeg&ust=1363210914465643

Blue-ringed octopus

Highly venomous

mollusks

muscular foot

movementvisceral mass

Documents

chapter 27 worms and mollusks

mollusks, echinoderms, and arthropods

mollusks, arthropods, and echinoderms mollusks arthropods...

mollusks, arthropods & echinoderms

mollusks & annelid worms

invertebrates starfish arthropods mollusks insects

worms and mollusks

mollusks and echinoderms

mollusks : gastropods, bivlaves and cephalopods

keynote - mollusks

freshwater mollusks of colorado

mollusks bivalves:gastro:cepha marine

invertebrate phylum mollusca (mollusks)

more mollusks

echinoderms and mollusks

chapter 27: mollusks and annelids section 1: mollusks

mollusks and annelids

coelomates: mollusks and annelids

seashells (mollusks) & beachcombing

dangerous fish and mollusks