Which is larval, which is mature? Chordata. Urochordata. Tunicate. A) mature, B) larval. A. B. Dorsal nerve cord. notochord. Pharynx with gill slits. Phylum? ...
Chapter 34 Phylum Hemichordata- Acorn Worms Have three body regions: proboscis, collar, and trunk Have both a ventral and dorsal nerve cord anterior portion of dorsal ...
Most similar extant group to graptolites. All are sessile, benthic, colonial, filter feeders. ... Bushy, benthic, sessile (Dictyonmena = epiplanktonic? ...
Cambrian to Early Carboniferous. Dominant planktonic animal in Paleozoic ... Cambrian to Early Carboniferous, but never a major part of fauna. Planktonic larvae ...
Class Echinoidea sea urchin, sand dollar, sea biscuit. Class Holothuroidea sa cucumber ... Sea biscuit. Sea urchins, sand dollars. Spherical or disk shaped ...
Origin and Diversification of the Vertebrates Vertebrate Characteristics Origin and Diversification of Vertebrates Echinoderms Hemichordata (Acorn Worms) Urochordata ...
Sea squirts or tunicates. Larvae show the characteristics of chordates ... Tunicate Larva. Adult tunicates. Subphylum Cephalochordata. Lancelets (Amphioxus) ...
PECES I PRIMEROS CORDADOS sensu Romer, 1986 sensu Benton, 1995 Agnatha Elasmobranchio morphi Osteichthyes Agnatha Placodermi Chondrychthyes Osteichthyes Rasgos de ...
Classification General Features. Basic Unit of Classification = Species. Biological Species Concept = a group of similar-looking individuals capable of ...
muscular locomotory postanal tail at some point in life history ... tadpole stage in life history of all taxa. dioecious or hermaphroditic. Phylum Chordata ...
... notochord Central part of nervous system A hollow tube made up of neurons Extends entire length of amphioxus and jawless fishes Always dorsal to notochord ...
The pharynx is housed inside an atrium. Pharyngeal basket is ... metamorphosis. Subphylum Urochordata. Solitary tunicates. colonial tunicates. 1500 species ...
Phylum Chaetognatha- arrow worms (resemble tiny, planktonic fish) More closely related to ... acorn worms. Not related to true worms. Stomochord-- notochord ...
Title: Introducci n a la Zoolog a de Vertebrados Author: 05248 Last modified by: 05248 Created Date: 3/20/2004 12:09:00 AM Document presentation format
Three major protostomous eucoelomate phyla Nine minor phyla to consider Problematic Phyla Mixture of characters Where to put them Did segmentation evolve once or many ...
Radial, indeterminate cleavage exhibited by early embryo. Coelom forms by enterocoely ... Superficial radial body form (which is secondarily derived from ...
Phylum Mollusca. Phylum Arthropoda. Lab 2 Review. 5 How ... Mollusca. Lab 2 Review. 6 Which of the following features is common. to all of the organisms shown? ...
General Zoology Unit Five Respiration in Fish Respiration in Fish Vertebrate Thermoregulation Ectothermic obtaining body heat from the environment Poikilothermic ...
Phylum Cnidaria General Characteristics They are radially symmetrical; ... Ancylostoma ( Hook worm) Annilida : Annullus: little ring Triploblastic, ...
Cartilaginous fish (Class: Chondrichthyes) also efficient paired fins - sharks - skates, rays - ratfish. II. Animal Diversity. 3. Vertebrata. c. Jawed Fishes ...
Lizards and snakes dominate! Phylum Chordata. Subphylum ... None today due to Mr. Mattioli coming in to talk about AP exam. Announcements/HW: HW tonight: ...
ANATOMI PERBANDINGAN HEWAN VERTEBRATA ANATOMI PERBANDINGAN HEWAN VERTEBRATA Mempelajari susunan tubuh hewan vertebrata Membandingkan susunan organ tubuh antar kelas ...
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) ...
from: Cameron, CB (2002) The Anatomy, Life Habits, and Later Development ... tadpole larva (in most), notochord resorbed at metamorphosis (in most), DNA evidence ...
Filo Moluscos N mero de especies Caracteres Generales del Filo Moluscos Caracteres Generales del Filo Moluscos Clasificaci n del Filo Moluscos Clase Caudofoveados.
Vertebrate Biology Lecture Notes The Phylum Chordata Vertebrates belong to the Phylum Chordata - these are animals that, at one stage or another of their life ...
Hydras - Jellyfish - Anemones - Corals. II. Animal Diversity. B. Radiata ... Hydra and jellies alternate between polyp and medusa stages; coral and anemones ...
Graptolites. The specification states that you need to be ... side (UNISERIAL) or both sides (BISERIAL) or even four (QUADRISERIAL) giving an X cross section. ...
Filo Chordata Cerca de 45 mil esp cies. Caracter sticas exclusivas: Notocorda. Fendas faringianas. Sistema nervoso dorsal Cauda terminal Filogenia dos Cordados ...
This is also the only mangrove area on earth that is inhabited by tigers. ... Geomorphic stress caused by the neo-tectonic tilting of the Bengal basin, ...
Title: PowerPoint Presentation Author: GES GES Last modified by: Coast Tsimshian Academy Created Date: 11/5/2002 12:14:22 AM Document presentation format