Rotifers Rotifera Unknown relationship to other phyla Pseudocoelomate Protonephridia Ciliated lobes whirl water into mouth Parthenogenesis Smallest multicellular ...
... (and some cats Pinworm Elephantiasis Heartworm Disease Phylum Rotifera Called rotifers Free living and transparent and in fresh water Can survive ...
Composition and dynamic of Rotifera fauna from eastern littoral zone of Lake ... The saprobic index of this part of the Lake was between 1.5 and 2 that ...
Copepod predation on rotifers affects the dynamics and structure of zooplankton communities ... Lovenula alluaudi (calanoid copepod) as adult females and males ...
Phylum Rotifera Rotifers have a ciliated crown, the corona, that is characteristic of the phylum. Phylum Rotifera Rotifers come in a wide range of colors and shapes.
... microscopic Wheel animals Bilateral symmetry Well developed organ systems Rotifers Phylum Rotifera Proboscis Worms Phylum Rhynchocoela Flatworms ...
Rotifer Phylum Rotifera From the Latin Rota a wheel and Ferre to bear or carry Rotifera is divided into two classes, the Digononta and the Monogononta The members of ...
Ch 11 Pseudocoelomates soo-doe-see-low-mates Acrobeles complexus Pseudocoelomates 9 phyla: Rotifera- do not molt (Lophotrochozoan) Acanthocephala Nematoda molt ...
Head is bluntly arrow shaped. Auricles function as sense organs. Two light-sensitive eye spots ... Filarial Worm. Rotifers. Rotifers (phylum Rotifera) ...
Divergent gene copies in the asexual class Bdelloidea (Rotifera) separated before the bdelloid radiation or within bdelloid families. Mark Welch DB, Cummings MP, ...
Ch 11 Pseudocoelomates soo-doe-see-low-mates Acrobeles complexus Pseudocoelomates (Aschelminthes) 7 phyla: Do not molt Rotifera Acanthocephala Molt Nematoda ...
Rather inefficient outside of their normal environment Another form of pseudocoelomate Rotifera Muscles for body contraction--inch worm kind of pattern of motion ...
Parasites of nearly all animals and plants. Facts, cont. ... Feed on rotifers, tardigrades, annelids, other nematodes ... Tube-within-a-tube digestive system ...
Phylum Rotifera ~2000 species Corona of ciliated cells Pseudoceolomic Central nervous system Complete gut Many species are female only Parthenogenetic Phylum ...
Notice the 2 large round structures in the female (uteri) and the thick ... Cross-section through female (A) & male (B) nematode worm. Phylum Nematoda: ...
... (Dracunculus medinensis): transmitted by infected copepods in drinking water larvae move into the body cavity female adult migrates to the subcutaneous ...
Are a group composed of several phyla which share similar characters but are ... protonephrida are absent but a tube is present w/midventral pore. for exiting waste. ...
Chapter 33 Invertebrates Invertebrates Lack a backbone Account for 95% of all known animal species. All but one of the 35 animal phyla. Porifera Sponges are sedentary ...
Title: PowerPoint Presentation - Lab 12 Review Author: Michael Shaw Last modified by: Michael Shaw Created Date: 1/29/1996 3:34:37 AM Document presentation format
Lophotrochozoa ... These are the Mesozoa, Nemertea and four phyla grouped ... made up of only 20-30 cells arranged in two layers, which are not homologous to ...
Chapter 33 Lower Invertebrates Animals 1 million species of animals 95% are invertebrates! 34-36 phyla of the Animal Kingdom 1. Phyla Calcarea & Silicea ...
Zooplankton abundance is controlled by interactions between food abundance, fish ... Zooplankton grazing exerts major control on lake metabolism, nutrient cycling ...
Animals, Part I Invertebrates Introduction to Animals (Chapter 34) Sponges and Jellyfish (Chapter 35) Simple Worms (Chapter 36) Mollusks and Annelids (Chapter 37)
... the fusion and specialization of formerly metameric segments Class Polychaeta Many are filter-feeders with specialized structures Class Polychaeta Many are ...
(Plat = flat) There are three classes: Turbellaria Trematoda Cestoda Characteristics of Flatworms They are acoelomates (they don t have body cavities) ...
1Animals multicellular, must get food through ingesting other ... Coelomates organisms with true coelom, (fluid-filled body cavity completely lined by mesoderm) ...