'Ventral nerve cord' presentation slideshows

microRNAs Small Non-coding RNAs with Big Impact in Biology

microRNAs Small Non-coding RNAs with Big Impact in Biology. Hua-Chien Chen Ph.D. Molecular Medicine Research Center Chang Gung University. Numbers of protein coding genes do not scale strongly with complexity. yeast Worm Fly Human Genes 6,000 18,500 13,500 30,000

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Crustaceans

Crustaceans. Chapter 20. Subphylum Crustacea. Crustaceans, subphylum Crustacea typically have biramous , branched, appendages that are extensively specialized for feeding and locomotion. Subphylum Crustacea. Crustacea is divided into 5 classes.

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How do the Annelids fit in?

How do the Annelids fit in?. Annelida. Rotifera. Nematoda. Platyhelminthes. Nemertea. Cnidaria. Porifera. unknown common ancestor. Phylum Annelida. the segmented worms. Annelida Characteristics. Triploblastic. Organ level of organization. Bilateral Symmetry. Cephalization.

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Earthworm Dissection Lumbricus terrestris Kingdom: Animalia Phylum: Annelida

Earthworm Dissection Lumbricus terrestris Kingdom: Animalia Phylum: Annelida. Segments Septum Setae Pharynx Esophagus Crop Gizzard Intestine Aortic Arches Ventral Nerve Cord. Dorsal Blood Vessel Clittelum Seminal Vesicles Seminal Receptacles. Students should Identify the following.

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Earthworm Dissection Lumbricus terrestris Kingdom: Animalia Phylum: Annelida

Earthworm Dissection Lumbricus terrestris Kingdom: Animalia Phylum: Annelida. Segments Septum Setae Pharynx Esophagus Crop Gizzard Intestine Aortic Arches Ventral Nerve Cord. Dorsal Blood Vessel Clittelum Seminal Vesicles Seminal Receptacles. Students should Identify the following.

880 views • 31 slides

THE ECHINODERMATA

THE ECHINODERMATA. starfish, sea urchins, sand dollars, crinoids, blastoids. Phylum Echinodermata. The phylum Echinodermata consists of several types of complex organisms which show a general pentameral symmetry and have a well developed water vascular system.

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PHYLUM ANNELIDA

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Review

Review. Lampreys are a. autotrophs. c. parasites. b. mutualistic organisms. d. amphibians. The swim bladder a. stores air for breathing. c. is found in all amphibians. b. contains antibodies. d. allows fishes to become more buoyant.

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Phylum Annelida

Phylum Annelida. True Coelomates with true body segmentation. Different segments can have different organs or perform different functions. There are around 12,000 species of annelids. Annelids are characterized by 3 principal features:. 1- Repeated Segments.

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EARTH WORM

EARTH WORM. Surendran. K Surendranaduthila@gmail.com. EARTH WORM. EARTH WORM. Phylum : Annelida Class : Oligochaeta Genus : Megascolex Species : mauritii. HABIT. NEGATIVELY PHOTOTACTIC NOCTURNAL LOCOMOTION BURROWING FEEDING BREEDING REGENERATION.

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Nematoda

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Nematoda

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WORMS

WORMS. test/: click on crop. The arrow points to the worm's clitellum , an organ responsible for mucus production during reproduction. . Circle the Clitellum. Clitellum Swollen area with specialized genital setae . Helps bind two worms together.

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The Design of Organisms

The Design of Organisms. What Patterns do you see?. Body Plans. The great diversity of plant and animal forms arises from a surprisingly small number of patterns. Although some organisms have complex shapes, we will begin looking at simple systems. Spheres, Tubes, and Fans.

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Flatworms/ Roundworms

Flatworms/ Roundworms. By: Alexey Pomogaev, Daniel Cho, Connor Healey. Flatworms and Roundworms. Flatworms Phylum- Platyhelminthes Class- Turbellaria, Cestoda, Trematoda, Monogenea Families- 102 variations Roundworms Phylum- Nematoda Class- Adenophorea, Secernentea, Families-

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Oligochaete Giant Axons

Oligochaete Giant Axons. Charlie Drewes Ecology, Evolution & Organismal Biology Iowa State University. What is an oligochaete?. What are giant axons?. ? disproportionately large-caliber nerve fibers. ? interneuronal in origin and function.

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Arthropoda Crustacea

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Phylum Nematomorpha

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Genetic dissection of nociception in Drosophila melanogaster Madison L. Shoaf, Wayne L. Silver, Erik C. Johnson

Genetic dissection of nociception in Drosophila melanogaster Madison L. Shoaf, Wayne L. Silver, Erik C. Johnson Department of Biology, Wake Forest University, Winston-Salem, NC shoaml5@wfu.edu. Background

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