Slide 1Mollusca 4 classes near shore 4 classes near shore Gastropoda- The snails Gastropoda- The snails Polyplacophora- Chitons Polyplacophora- Chitons Bivalva-Two shelled…

Slide 1MOLLUSK Review Slide 2 Name one of the three classes of mollusks you learned about. Gastropods, cephalopods, Bivalves The free swimming ciliated larva found in most…

Slide 1 Class Bivalvia (Pelecypoda) 2nd largest mollusc class ~ 20,000 living; 20,000 fossil spp. Appear in Cambrian Height of diversity ~ 350 mya Slide 2 Class Bivalvia…

Slide 1 Slide 2  gastropods, bivalves,cephelapods 3 GENERAL BODY REGIONS  1. head- with “brain” or sense organs  2. visceral mass- contains internal organs …

Slide 1Animal Groups Bio 126 – Nature Study Slide 2 Sponges Filter feeders Simplest animals No muscles, no nerves,brain Very flat, small in cool California waters Sessile…

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

Slide 1 Slide 2  An invertebrate is an animal without a backbone.  The group includes 95% of all animal species Slide 3  There is no escaping the invertebrates!…

Slide 1 Invertebrates II: Mollusca, Arthropoda, Echinodermata Slide 2 More species (200,000+) than any other animal phylum except Arthropoda More species (200,000+) than…

Slide 1 INVERTEBRATES Mollusca, Annelida, Arthropoda, Echinodermata Animals that lack vertebrae (classed by a characteristic they don’t have.) 97% of all species on Earth…

Slide 1 Slide 2 Slide 3 Created By: Sari Elijah Luis Jonathan DaQuan Slide 4 Invertebrates 98% of all animal species on earth are invertebrates. They live in a variety of…