... (Dracunculus medinensis): transmitted by infected copepods in drinking water larvae move into the body cavity female adult migrates to the subcutaneous ...
The body consists of an anterior scolex solely for attachment to the host's gut and a string of proglottids, each of which possesses both male and female organs aka ...
patterns of organization 1. asymmetrical, radial, or bilateral 2. unicellular, diploblastic, or triploblastic 3. acoelomate, psuedocoelomate, or coelomate
Usually flattened dorsoventrally Triploblastic Acoelomate Bilaterally symmetrical Unsegmented worms Incomplete gut (absent in tapeworms) Somewhat cephalized, with ...
Unit 4 - Phylums Platyhelminthes and Nematoda Flatworms and Roundworms * * Phylum Platyhelminthes Largest group of acoelomate (no body cavity) worms Flatworms with ...
Trends in Animal Evolution Symmetry ... deuterostome Digestive system None gastrovascular cavity complete digestive system Body cavities acoelomate pseudocoelomate ...
(Plat = flat) There are three classes: Turbellaria Trematoda Cestoda Characteristics of Flatworms They are acoelomates (they don t have body cavities) ...
Coelom: Fluid-filled body cavity lined by cells from the mesoderm In mammals it forms the peritoneal, pleural and pericardial cavities Acoelomate Pseudocoelomate ...
Coelom: Fluid-filled body cavity lined by cells from the mesoderm In mammals it forms the peritoneal, pleural and pericardial cavities Acoelomate Pseudocoelomate ...
PLATYHELMINTHES & NEMATODA. The answers will be shown when you click the mouse so ... Label the coelom types. Acoelomate Pseudocoelomate Coelomate. Fill in the blanks ...
Phylum Platyhelminthes Characteristics Flatworms Soft body Flattened Have tissue Have internal organ systems Bilateral symmetry Acoelomates Many are parasites Body ...
Ch. 10,11- Phylums Platyhelminthes and Nematoda Flatworms and Roundworms Phylum Platyhelminthes Largest group of acoelomate (no body cavity) worms Flatworms with ...
Phylum Porifera Phylum Porifera Sponges are the simplest animals Radially symmetrical Acoelomate Body resembles a perforated sac. Has inner cavity called spongocoel ...
Adult flatworms develop from the gastrula with an ectoderm, ... body cavity is called a coelom - flatworms do not have a coelom. flatworms are acoelomates ...
Fig. 14.10 ACOELOMATE ANIMALS 14.1. General Features A. Cephalization 1. Sessile animals survive well with radial symmetry. 2. Concentrating the sense organs on the ...
Phylum Porifera Phylum Porifera Sponges are the simplest animals Radially symmetrical Acoelomate Body resembles a perforated sac. Has inner cavity called spongocoel ...
The exam schedule is different from that for the reviews. ... Coelom Formation. Acoelomates - PHYLUM Platyhelminthes - PHYLUM Nemertina. Pseudocoelomates ...
Chapter 33 Lower Invertebrates Animals 1 million species of animals 95% are invertebrates! 34-36 phyla of the Animal Kingdom 1. Phyla Calcarea & Silicea ...
The Kingdom ANIMALS Eukaryotic cells Multicellular Heterotrophic by ingestion External Fertilization vs Internal Fertilization a. Invertebrate Chordates: Tunicates ...
Phylum : Platyhelminthes General Characteristics Free-living or parasitic Bilaterally symetrical, and dorso-ventrally flattened Epidermis has cilia or cuticle Coelom ...
Non-Coelomate Animals Porifera Simplest metazoan Cell level of organization Few cell types No true tissues Feed on material suspended in water Motile as larva ...
... No two kinds of animals have the same binomial name Every animal has one correct name International Code of Zoological Nomenclature Genus ... microbes live in ...
By definition, in true coelom- mesentery. tissue connects organs to body cavity wall ... Also, by definition coelom is fluid-filled body. cavity, found in ...
Rather inefficient outside of their normal environment Another form of pseudocoelomate Rotifera Muscles for body contraction--inch worm kind of pattern of motion ...
Animal Bauplan Symmetry and complexity Chapter 3: Animal Architecture * * * * * * * * * * * * III. Symmetry Radial symmetry: body parts organized about a center axis ...
Introduction to Kingdom Animalia Characteristics of Animals Heterotrophic Multicellular Movement Eukaryotic Basic Embryology Define: Zygote Embryo Blastula Gastrula ...
... but the two species which infect man are T. saginata and T. solium External Features: Tatnia saginata has four large muscular suckers; no mouth or hooks exist.
Kingdom Animalia Characteristics of Animals Eukaryotic cells have a nucleus and membrane bound organelles Heterotrophic must ingest their food Diploid two ...
Tricininella spiralis causes trichinosis in humans from under cooked pork ... Guinea Worms: Elephantiasis (Filarial worm) Life Cycle of Filarial Worm. Trichinosis ...
Hydras - Jellyfish - Anemones - Corals. II. Animal Diversity. B. Radiata ... Hydra and jellies alternate between polyp and medusa stages; coral and anemones ...
Phylum Platyhelmenthes (the flatworms) General characteristics Eumetazoa - animals with tissue Bilateria - have bilateral symmetry Head end-cephalization
These animals are also triploblastic they have three embryonic germ layers. Organ-system level of organization more division of labor among their organs.
Phylum Porifera. Phylum Porifera. Sponges are the simplest animals. Radially ... produce a flow of H20 into the sponge through pores in through the body wall, ...
Animal gametogenesis and embryology (chapters 25, 32, 47) What is an animal? ... nervous and muscle tissues are unique. distinctive stages of development ...