Contains the American and spiny lobster which are not closely related ... American lobster has a smooth carapace. Closely related to ghost and mud shrimps (crawfish) ...
Phylum Arthropoda Subphylum Trilobita Common 500 mya (4000 spp) but extinct by 225 mya Each body segment had a biramous appendage (inner for walking) ...
Title: Presentaci n de PowerPoint Author: Silvia Cort s Hernandez Last modified by: eduardo Created Date: 4/16/2003 4:31:44 AM Document presentation format
All members of this group bear mandibles on the third head segment that are ... segments, thoracic with 8 segments, abdomen with 6-7 segments plus a telson ...
Hurdia from the Burgess Shale. Hurdia. Amongst the most primitive and oldest known of true arthropods. ... Survived until Early Permian (about 280 million years ago) ...
Insect ovipositors vary greatly depending upon where ... A tubular digestive tract A dorsal tubular circulatory system A ventral nervous system The Phylum ...
Artr podes como agentes causadores de doen as N o possuem traqu ias, respiram pelo tegumento Macho (0,2 mm) e f mea (0,4 mm) Infec o ocorre por contato pessoa ...
To introduce you to several characteristics found in animals and the range of ... Pisces (fishes) Amphibia frogs newts etc (smooth skin) Reptiles lizards ...
Animals, Part I Invertebrates Introduction to Animals (Chapter 34) Sponges and Jellyfish (Chapter 35) Simple Worms (Chapter 36) Mollusks and Annelids (Chapter 37)
... Todos os est dios hemat fagos Ordem Anoplura: Pediculus capitis, P. humanus e Pthirus pubis Piolhos: habitats Pediculus capitis : cabe a P. humanus: ...
As an adult the sponge is sessile, or attached to the bottom. Entirely marine species ... Coiled shape. Anus is above head. Sea slugs lose shell as adults ...