Chordata

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Synonyms for Chordata

References in periodicals archive ?
mydas in Sechura Bay had an omnivorous diet and foraged on a variety of resources, but mainly on animal prey items like mollusks, arthropods and chordates.
Similar to most other chordates, ascidian hemocytes are continually renewed to compensate for cell death and external sources of loss (Ermak, 1982).
coli, the chromosomes of a chordate, the mind of humans, or the hand of God.
2007) Ascidian embryonic development: an emerging model system for the study of cell fate specification in chordates.
A combination of experimental work and combing through the scientific literature revealed that most of the animal groups that sit between Platynereis and chordates on the evolutionary tree also have a similar, muscle-based structure in the same position.
2007) described that N-T's TR specific motif are present in chordates in the variable A/B domain (Figs.
Hundreds of thousands of fossils representing a myriad of species of soft-bodied algae, sponges, worms (annelids and priapulids), primitive arthropods (a group that today includes insects and shrimps), and primitive members of the group humans belong to, the chordates, have been collected.
At some point in their development from embryo to adult, all chordates have a "notocord", a flexible rod supporting a nerve cord running down the back.
Chapters on Simple Animals, Cnidarians, Flatworms and Roundworms, Segmented Worms, Mollusks, Arachnids, Crustaceans, Centipedes and Millipedes, Insects, Echinoderms, Chordates, Cartilaginous Fish, Bony Fish, Amphibians, Reptiles, Birds and Mammals are included, along with a Glossary and index.
In addition, many students have never learned about the subphylum Urochordata (sea squirts/tunicates) and are under the mistaken impression that all chordates have a back bone.
They also remain a neglected component relative to the far less diverse chordates (64,788 species) and plants (297,857 species), with 75 %<> of the 18,000 new species described in 2007 being invertebrates and an estimated 5,396,465 invertebrate species still remaining to be described globally (Chapman 2009).
I used a PowerPoint presentation with photographs of algae, protozoa (single celled organisms - star forams are found on Lord Howe), sponges, cnidaria (sea jellies, sea anemones, coral, bryozoans), Molluscs (sea snails and sea slugs, clams, cuttlefish), Echinoderms (sea stars, sea urchins, brittle stars, feather stars, basket stars), Arthropods (hermit crabs, coral banded shrimp, anemone shrimp, painted crayfish), Chordates including those without backbones - Ascidians (yes there is such a thing), and those with back bones - Sharks and Rays, Fish, Turtles, Birds and Mammals (Lord Howe has Dolphins and gets the odd Whale shark or other whales passing by).
In recent years, these organisms have been the center of activity of studies focusing on the phylogenetic relationships of the chordates (Gee 2006).
For instance, the largest class of the chordates is the vertebrates.
La mirla pertenece a la clasificacion: reino animal, filo chordates, subfilo vertebrado, clase aves, orden paseriforme, familia Mimidae, genero Mimus, especie Mimus gilvus, de la cual se han reportado 9 subespecies (AVIBASE, 2003).