1. 3 cuttlefish Nautilus Giant squid Architeuthi clam chiton snail slug octopus scallop 2. CHARACTERISTICS Second largest phylum in the animal kingdom (80000 living species…

Slide 1Phylum: Mollusca Mollusks are soft-bodied animals that usually have an internal or external shell. Slide 2 The Mollusk Phylum has three Main classes: 1. Gastropods…

1.Dating Rocks using Fossils2. Learning Objectives • To know what cross dating is and how it can be used to date rocks • To be able to name some common index fossil and…

1. Chapters 33 and 34: A REVIEW 2. Phylogeny of Extant Phyla 3. Phylum Porifera 4. Porifera Characteristics Sponges Sole member of theParazoa Lack true tissues, simplest…

1. Chapters 33 and 34: A REVIEW 2. Phylogeny of Extant Phyla 3. Phylum Porifera 4. Porifera Characteristics Sponges Sole member of theParazoa Lack true tissues, simplest…

1. Fossils (ThisisanillustrationfromErnstHaeckel's''KunstformenderNatur''of1899,showinga collectionofammonites.) •http://biodeluna.wordpress.com…

CONCEPTUAL ANALYSIS CONCEPT: Nautilus CONCEPT DEFINITION: The Nautilus is known as the living fossil due to the fact that it has remained largely unchanged for almost 400…

Slide 1PROTOSTOMES II MOLLUSKSARTHROPODS Slide 2 MOLLUSKS Clams, snails, slugs, chitons, octopuses Clams, snails, slugs, chitons, octopuses Probably evolved early—after…

Slide 1 Phylum Molluska Over 50,000 speciesOver 50,000 species Coelomate, Protostomes, Bilaterally symmetricalCoelomate, Protostomes, Bilaterally symmetrical Mostly marine,…

Slide 1 STOP 6: PHYLUM MOLLUSCA Slide 2 Characteristics ◦ Soft-bodied invertebrate covered with protective mantle that may or may not form a hard, calcium carbonate shell…