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Radiate animals Cnidarians and Ctenophores

Chapter 7. Radiate animals Cnidarians and Ctenophores. Phylum Cnidaria. Over 9,000 species in the phylum Cnidaria Equipped with specialized cells: cnidocytes Contain a specialized stinging organelle, the nematocyst Fossil specimens dated to over 700 million years ago Species

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Phylum Porifera

Phylum Porifera. Introduction. Sponges. Filter-feeding system many tiny pores and canals; adequate for their inactive life habit Sessile animals depend on water currents to bring them food and oxygen and carry away their body wastes No organs or true tissues

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Phylum Cnidaria

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Flatworms, Mesozoans, and Ribbon Worms

Flatworms, Mesozoans, and Ribbon Worms. Chapter 14. Flatworms, Mesozoans, and Ribbon Worms. Recall: Sponges - First Animal Specialized Cells Organization, Asymmetric Cnidarians/ Ctenophorans - Tissue Organization, Diploblastic , Radial Symmetry Now:

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ANATOMI PERBANDINGAN VERTEBRATA

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ANATOMI PERBANDINGAN VERTEBRATA

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Phylum Porifera

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Chapter 7: Marine Invertebrates

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Phylum Cnidaria

Phylum Cnidaria. Jelly Fishes. Sea Anemones. Corals. Phylum Cnidaria. A.k.a Coelenterata or Radiata. Differ from sponges - have rudimentary organs. Morphology. Body wall - 3 layers Epidermis Gastrodermis Mesoglea. Body plans. Sessile - Polyp (hydranth or hydroid)

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Kingdom Animalia

Kingdom Animalia. Invertebrates. Table of Contents. Phylum Arthopoda Subphylum Chelicerata Subphylum Crustacea Subphylum Uniramia Phylum Echinodermata. Phylum Porifera Phylum Cnidaria Phylum Ctenophora Phylum Platyhelminthes Phylum Rotifera Phylum Nematoda Phylum Mollusca

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Phylum Cnidaria

Phylum Cnidaria. Chapter 26.3. Vocabulary. Cnidocyte Nematocyst Polyp Medusa Gastrovascular Cavity Nerve Net Hydrostatic Skeleton External Fertilization. Phylum Cnidaria. General Characteristics All aquatic (mostly marine) Radial symmetry

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How many lines of symmetry?

How many lines of symmetry?. Fertilized egg. Zygote is one diploid cell made by the fusion of the sperm and egg. In humans this is internal fertilization within the fallopian tubes. Many other organisms have external fertilization where the egg and sperm are both released outside the parent.

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Jellyfish

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Emergence of the Animal Kingdom

Emergence of the Animal Kingdom. Animals are: multicellular heterotrophic no cell walls highly differentiated tissues organ systems nervous systems reproduce sexually. Organization into tissues radiata bilateral symmetry flatworms cephalization flatworms body cavities roundworms.

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Kingdom Animalia

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Parasites: -Giant Intestinal Fluke -Chinese Liver Fluke -Sheep Liver Fluke

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Invertebrate Phylum Mollusca (Mollusks)

Invertebrate Phylum Mollusca (Mollusks). Vocabulary visceral mass = contains internal organs of digestion, excretion, and reproduction mantle = thin membrane that surrounds internal organs. Vocabulary Radula = tongue-like structure with teeth used to grate, cut, and scrape

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Moon Jelly ( Aurelia aurita )

Moon Jelly ( Aurelia aurita ). Shelby Arbacheski. Jelly Fish. Around 10,000 species in Cnidaria , nearly all living in marine waters. Within the phylum Cnidaria. Lacks basic organs such as heart, brain, kidneys, etc. Posses digestive sack (stomach) and stinging cells called nematocysts.

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Larval Feeds

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