The Invertebrates Notes - The Invertebrates I. Marine...

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The Invertebrates I. Marine Heterotrophic Protists a. Flagellates i. Small ii. Eat phytoplankton or bacteria iii. Heterotrophic Dinoflagellates 1. Eat larger phytoplankton 2. Can kill fish and feed off flesh 3. Can eat organisms bigger than themselves b. Ciliates i. Larger than flagellates ii. Eat larger phytoplankton and flagellates c. Amoeba-like forms i. Forams* – have shells and use pseudopods to catch plankton to eat; have symbiotic phytoplankton associated with them ii. Radiolarians* – have an internal skeleton made out of glass 99.9% of Animal Kingdom are Invertebrates II. Porifera (Sponges) a. Simplest multi-cellular organisms i. Asymmetrical b. Non-motile c. Don’t have high level of organization (no organs, tissues, nerves, etc.) d. Have individual cells with specific functions e. Have pores (porifera means pore-bearers) i. Study picture of anatomy f. Feed by taking particles out of the water i. Suspension Feeding 1. Take particles that are insubstantial (like filters) 2. All sponges are suspension feeders
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This note was uploaded on 03/21/2011 for the course MARS 1020 taught by Professor Binder during the Spring '08 term at University of Georgia Athens.

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The Invertebrates Notes - The Invertebrates I. Marine...

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