Phylum | Example | Characteristics | /36 | | | Porifera | Glass Sponge | No true tissue‚ use collar cells No movement as adult | Cnidaria | Jellyfish | Polyp or Medusa Nerve net | Platyhelminthes | Fluke | Nerve cells that act as a brain Live in bodies | Nematoda | Hookworm | Taper at both ends False coelom‚ parasitic | Annelida | Earthworm or Leech | Segmentation Hydro skeleton | Mollusca | Octopus or Clam | Mantle‚ Gills‚ True coelom Muscular foot‚ Adductor
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Diversity in Living Organisms (Science) |Close X | |[pic] Classification And Evolution Classification refers to the identification‚ naming‚ and grouping of organisms into a formal system based on similarities in their internal and external structure or evolutionary history. It determines the methods of organizing diversity of life on earth. Therefore‚ classification helps in understanding millions of life forms in detail. Who started the classification of organisms? Let us explore the history of
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ANIMAL DIVERSITY Systematics • study of biological diversity and its origins Its arms TAXONOMY focus on properly describing‚ identifying‚ classifying‚ and naming of organisms. CLASSIFICATION focus on placing organisms within groups that show their relationships to other organisms. Writing a scientific name. • Kimberlicus beltranus • Kimberlicus beltranus The Protozoans Protozoa Alveolates Ciliates Sporozoans Dinozoans Amoeboids Amoebozoa Cercozoa
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and autogamy‚ medical importance. Porifera: Canal system‚ skeletal structures and their taxonomic value‚ position of porifera in the Animal Kingdom. Coelenterata: Polymorphism; measenteries corals and coral reefs. Platyhelminthes: Parastic adaptations‚ medical importance Nematoda: Medical importance. Anneilda: Coelom‚ metamerism‚ Mollusca: Shell‚ modifications of foot‚ feeding‚ respiration‚ shell fishery‚ Arthropoda: Appendages‚ feeding: respiration‚ larvae. Echinodermata: water Skeleton
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AP Biology‚ Chapter 33 Invertebrates [by clade] SUMMARY INTRODUCTION PARAZOA Introduction Phylum Porifera: Sponges are sessile with porous bodies and choanocytes 1. Identify the parts of a sponge (including the spongocoel‚ porocyte‚ epidermis‚ choanocyte‚ mesohyl‚ amoebocyte‚ osculum‚ and spicule) and describe the function of each. a. Lifestyle: sessile‚ immobile filter feeders b. Water circulation i. Epidermis seals outside ii. Flagellated choanocytes lining
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bilateral‚ Coelomic and segmented organisms). Phylum: Porifera-The sponges------------------------Parazoans Phylum: Cnidaria-jellyfish‚ anemones‚ coral------Eumetazoans with radial symmetry. Phylum: Platyhelminthes-The flat worms----------Bilateral symmetry with acoelomic cavity. Phylum: Nematoda-The round worms--------------Pseudocoelomic cavity. Phylum: Mollusca-Gastropods/Bivalves/Cephalopods------Coelomic cavity‚ first heart/respiratory system. Phylum: Annelida-Earth worms/marine worms/leeches----Coelomic
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What are nematocysts‚ and how do they help a cnidarian obtain its food? 10. What is the nervous system of a cnidarian? Do they have a brain? 11. What is the “skeleton” of a cnidarian? Explain how this type of skeleton works. 12. Platyhelminthes means “flatworm‚” which describes the shape of these worms. This phylum is triploblastic and acoelomate. There is no specialized system for gas exchange and it occurs by
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Animal Kingdom The animal kingdom is a taxonomic kingdom composed of multicellular‚ eukaryotic organisms. Mostly‚ their body structures become fixed as they develop‚ yet still some organisms in this kingdom have the ability to undergo metamorphosis. The majority of these organisms are motile‚ which means they can move on their own and with spontaneity. All animals are heterotrophic‚ which implies that they depend on other organisms for food. Animals live in places that provide their necessities
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Biology Animal Phylums "Write a three sentence description for each phylum and list two examples for each. Also‚ draw a picture of a common example from each. (or cut out of a magazine). You will be graded on how accurate your information is as well as neatness." Sponges (Porifera): Poriferans don’t have mouths; instead‚ they have tiny pores in their outer walls through which water is drawn. Cells in the sponge walls filter nutrients from the water as the water is carried through the body
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cell surface proteins (profilin) and lipids (glycosylated phosphatidyl inositols - GPI) Worms (helminth parasites) pin worms‚ hook worms‚ heartworms‚ schistosomiasis‚ flukes‚ tapeworms Primarily members of Platyhelminthes (flatworms) and Nematoda (roundworms) Characteristic cell surface proteins PAMPs (Pathogen Associated Molecular Patterns) Recognized by PRRs –pattern recognition receptors Pathogen-associated molecular patterns‚ or PAMPs1‚ are molecules associated
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