Parasites of nearly all animals and plants. Facts, cont. ... Feed on rotifers, tardigrades, annelids, other nematodes ... Tube-within-a-tube digestive system ...
Nematode Movement. Contract longitudinal muscles. High internal pressure ... one species of nematode is known only from felt coasters placed under beer mugs ...
Notice the 2 large round structures in the female (uteri) and the thick ... Cross-section through female (A) & male (B) nematode worm. Phylum Nematoda: ...
Ch 11 Pseudocoelomates soo-doe-see-low-mates Acrobeles complexus Pseudocoelomates 9 phyla: Rotifera- do not molt (Lophotrochozoan) Acanthocephala Nematoda molt ...
Pseudocoelomate Animals There are 9 pseudocoelomate phyla. These are a diverse lot most of which are small, and some microscopic, although a few are relatively large.
Ch 11 Pseudocoelomates soo-doe-see-low-mates Acrobeles complexus Pseudocoelomates (Aschelminthes) 7 phyla: Do not molt Rotifera Acanthocephala Molt Nematoda ...
Aquatic, benthic (living at bottom), mostly free-living in fresh water, but some ... Adults are free-living in freshwater. juveniles are parasitic in ...
The Pseudocoelomate Body Plan: Aschelminthes Chapter 11 Wuchereria bancrofti Thread-like worms that live in the Lymphatic System, block the vessels This causes ...
Rotifers Rotifera Unknown relationship to other phyla Pseudocoelomate Protonephridia Ciliated lobes whirl water into mouth Parthenogenesis Smallest multicellular ...
Trends in Animal Evolution Symmetry ... deuterostome Digestive system None gastrovascular cavity complete digestive system Body 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 ...
Rather inefficient outside of their normal environment Another form of pseudocoelomate Rotifera Muscles for body contraction--inch worm kind of pattern of motion ...
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 ...
The exam schedule is different from that for the reviews. ... Coelom Formation. Acoelomates - PHYLUM Platyhelminthes - PHYLUM Nemertina. Pseudocoelomates ...
... (Dracunculus medinensis): transmitted by infected copepods in drinking water larvae move into the body cavity female adult migrates to the subcutaneous ...
By definition, in true coelom- mesentery. tissue connects organs to body cavity wall ... Also, by definition coelom is fluid-filled body. cavity, found in ...
The Kingdom ANIMALS Eukaryotic cells Multicellular Heterotrophic by ingestion External Fertilization vs Internal Fertilization a. Invertebrate Chordates: Tunicates ...
patterns of organization 1. asymmetrical, radial, or bilateral 2. unicellular, diploblastic, or triploblastic 3. acoelomate, psuedocoelomate, or coelomate
Introduction to Kingdom Animalia Characteristics of Animals Heterotrophic Multicellular Movement Eukaryotic Basic Embryology Define: Zygote Embryo Blastula Gastrula ...
Animal Bauplan Symmetry and complexity Chapter 3: Animal Architecture * * * * * * * * * * * * III. Symmetry Radial symmetry: body parts organized about a center axis ...
Kingdom Animalia Characteristics of Animals Eukaryotic cells have a nucleus and membrane bound organelles Heterotrophic must ingest their food Diploid two ...
Chapter 33 Lower Invertebrates Animals 1 million species of animals 95% are invertebrates! 34-36 phyla of the Animal Kingdom 1. Phyla Calcarea & Silicea ...
Animal gametogenesis and embryology (chapters 25, 32, 47) What is an animal? ... nervous and muscle tissues are unique. distinctive stages of development ...
KINGDOM ANIMALIA Characteristics of Animals 5. Segmentation Segmentation refers to the repetition of body parts that contain similar structures along the length of ...
Kingdom Animalia Characteristics Heterotrophs Eukaryotic Multicellular No cell wall, no chloroplasts Motile Sense Organs 9 phyla we will mention Porifera sponges ...
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.
(Plat = flat) There are three classes: Turbellaria Trematoda Cestoda Characteristics of Flatworms They are acoelomates (they don t have body cavities) ...
Rotifers are one example small, aquatic filter feeders. Males need not apply. ... Hirudinea Leeches. Related to Oligochaetes, they suck blood. Once used ...
Smaller Ecdysozoans Chapter 18 Phylum Tardigrada They share many characteristics with arthropods. But legs are unjointed. Non-chitinous cuticle that is molted.