'Sensory structures' diaporamas de présentation

Senses in Aquatic Organisms

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Shark!

Shark!. Marine Biology - Conrad. Superclass Agnatha. The first chordates with a notochord. This lovely looking, fish-like organism is jawless and lack most fins. They are parasites on fish. They are called hagfish or lamprays belonging to class agnatha. .

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Bilateral Symmetry

Bilateral Symmetry. The remaining phyla are all bilaterally symmetrical or at least have primary bilateral symmetry Also called Bilateria the development of bilateral symmetry is one of the most important traits in higher animals

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Biology 320 Invertebrate Zoology Fall 2005

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Chick Development (representative of reptile/bird/mammal)

Chick Development (representative of reptile/bird/mammal). Macrolecithal egg (most mammals are microlecithal ) Meroblastic cleavage (most mammals are holoblastic ) Primitive streak gastrulation (all reptiles, birds, mammals). Chick Whole Mounts. 24 h 33 h 72 H 96 H.

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Invertebrate Zoology

Invertebrate Zoology. Lecture 11: Phylum Nemertea The Ribbon Worms. Lecture outline. Phylum Nemertea Phylogeny (briefly) Diversity Bauplan Basics Feeding Circulation/Gas Exchange Osmoregulation/Excretion Nervous System Movement Reproduction. Phylogeny (briefly).

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Cnidaria

Cnidaria. By: Michael Dang Annie Ma David Shia. http://scrapetv.com/News/News%20Pages/usa/images-3/Nomura-jellyfish-3.jpg. Phylum. Phylum: Cnidaria Families: Hydrozoa- polyp and medusa stages in reproductive cycle (Ex: corals) Scyphozoa- reduced polyp stage (Ex: jellies)

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Molluscs , Arthropods, Lophophorates , Echinoderms, and Invertebrate Chordates

583 views • 16 slides