Endostyle Study guides, Class notes & Summaries

What 5 features do all chordates have for at least some period of their life cycles? correct answers notochord, hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail Name the 3 subphyla of the phylum chordata. correct answers cephalochordata, urochordata, vertebrata About how many species of cephalochordata are there? correct answers 25 Where do cephalochordata inhabit? correct answers shallow tropical and temperate oceans Are the cephalochordata a small or l...

______________ is small fishlike translucent animal that exhibits the five distinctive hallmarks of Phylum Chordata. correct answers Amphioxus Amphioxus has a dorsal tubular nerve cord, supportive notochord, pharyngeal pouches or slits, endostyle for ___________, and a postanal tail for ________________. correct answers feeding, propulsion. Normally found half buried in sand on the sea floor and filters ________________ particles. correct answers organic Very inconspicuous and with no c...

veretebrate correct answers has a backbone Craniate correct answers A chordate with a head. Agnathan correct answers jawless fish Gnathostomes correct answers vertebrates with jaws Tetrapods correct answers vertebrate animals having four feet, legs or leglike appendages Amniotes correct answers member of a clade of tetrapods that have an amniotic egg containing specialized membranes that protect the embryo; mammals, birds+reptiles Anamniotes correct answers fish and amphibians ...

notochord correct answers the characteristic from which the phylum derives its name (means back-cord); a rodlike, semirigid body or fluid-engorged cells enclosed by a fibrous sheath extending the entire length of the body monophyletic correct answers groups that contain all known descendants of a single common ancestor paraphyletic correct answers groups (like reptiles) that do not contain the descendants of their most recent common ancestor Somites correct answers a series of cartilagi...

Notochord, dorsal hollow nerve cord, endostyle, postanal tail, pharyngeal pouches and slits CORRECT ANSWER 5 Characteristics of a Chordate Vertebrata, Cephalochordata, Urochordata CORRECT ANSWER 3 Subphyla of Phylum Chordata Convergent Evolution CORRECT ANSWER The older it gets, the more it resembles another species. Begin different and end similar. Divergent Evolution CORRECT ANSWER Darwin discovered that the finches were all throughout the Galapagos and they had different types of bea...

5 chordate characteristics correct answers 1. Notochord (replaced by vertebral column in vertebrates) 2. Dorsal (hollow) nerve cord 3. Pharyngeal slits 4. Post-anal tail 5. Endostyle Notochord correct answers sits below the dorsal hollow nerve cord, can bend side to side but cannot be compressed, helps with movement (especially swimming) Pharyngeal slits correct answers A gill structure in the pharynx that allows for filtration of water and food from the environment Endostyle correc...

Definition Comparative anatomy study of similar/different structures of different species characteristics of a chordate -notochord -dorsal nerve chord -endostyle -pharyngeal slits -post-anal tail -bilateral symmetry -closed circulatory system

5 characteristics of Chordates correct answers 1. Notochord 2. Dorsal Tubular Nerve Cord 3. Pharyngeal gill slits 4. Post-Anal Tail 5. Endostyle/thyroid gland Stylophora correct answers fossil group of echinodermata that has pharyngeal slits Hemichordata correct answers phylum that includes acorn worms and perobranchs Acorn Worms correct answers marine intertidal zone inhabitants and have a proboscis, collar and trunk Perobranchs correct answers marine and sessile. feel with lophopho...

What 5 features do all chordates have for at least some period of their life cycles? correct answers notochord, hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail Name the 3 subphyla of the phylum chordata. correct answers cephalochordata, urochordata, vertebrata About how many species of cephalochordata are there? correct answers 25 Where do cephalochordata inhabit? correct answers shallow tropical and temperate oceans Are the cephalochordata a small or l...

______________ is small fishlike translucent animal that exhibits the five distinctive hallmarks of Phylum Chordata. correct answers Amphioxus Amphioxus has a dorsal tubular nerve cord, supportive notochord, pharyngeal pouches or slits, endostyle for ___________, and a postanal tail for ________________. correct answers feeding, propulsion. Normally found half buried in sand on the sea floor and filters ________________ particles. correct answers organic Very inconspicuous and with no c...