Chordates are a group of
animals that includes the vertebrates, together with several closely related invertebrates. They are united by having, at some time in their life cycle, a notochord, a hollow
dorsal nerve cord,...
Full article >>>Chordates are well represented in marine, freshwater and terrestrial habitats ... The oldest
fossil chordates are of Cambrian age. ...
Full article >>>A companion website to THE SHAPE OF LIFE, an eight-part series that takes viewers to unexplored places and answers fundamental questions about the origins of life ...
Full article >>>A companion website to THE SHAPE OF LIFE, an eight-part series that takes viewers to unexplored places and answers ... indeed, all
chordates, from the ...
Full article >>>chordate n. Any of numerous
animals belonging to the
phylum Chordata, having at some stage of development a
dorsal nerve cord, a notochord, and gill
Full article >>>The Chordata is the
animal phylum with which everyone ... However, not all
chordates are vertebrates. All
chordates have the following features at some point in ...
Full article >>>Chordates derive their name from one of their synapomorphies, or derived ... All
chordates have a
notochord at some stage in their lives, but in some (such ...
Full article >>>Most
chordates have two eyes and at least a minimal system of hearing as
fish do ... The
chordates have the most developed brains of all the
phyla and complex ...
Full article >>>... coelomates to the
chordates and the various vertebrate classes, with diagrams and photographs. ... "
Chordates" search on: ...
Full article >>>Encyclopedia article about
Chordates. Information about
Chordates in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary.
Full article >>>BioMEDIA ASSOCIATES, To many students, the
phylum Chordata doesn't seem to make much sense. ... Home Product Guides Branches on the Tree of Life
Chordates ...
Full article >>>Information about
Chordates in the free online English dictionary and ... The earliest
chordates presumably resembled amphioxus in being nearly brainless ...
Full article >>>Chordates are defined as organisms that possess a structure called a notochord, ... Other characteristics shared by
chordates include the following (from ...
Full article >>>The simplest and earliest
chordates are pre-vertebrate
animals such as ascidians, ... The major group of
chordates are the sub-phylum Vertebrata, the vertebrates. ...
Full article >>>The unifying characteristic of
chordates (Phylum Chordata) is the presense of a ... Although the majority of
chordates are
vertebrates (animals whose
notochord is ...
Full article >>>... distinctive derived characteristics of
chordates distinguish them from their ancestors: ... that may develop as the
thyroid gland in
chordates ...
Full article >>>... Echinoderms and Invertebrate
Chordates. Practice Test. 1. ... By comparing the development of echinoderms and
chordates, scientists can determine the animals` ...
Full article >>>Chordata (
Chordates) in Encyclopedia of Life ...
Chordates are well represented in marine, freshwater and ... The oldest
fossil chordates are of Cambrian age. ...
Full article >>>'"/>