Chordate characteristics - Study guides, Class notes & Summaries

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...

CVA Exam 1 (2022 Answered) Graded A+ 5 chordate synapomorphies 1. pharyngeal wall with bilaterally symmetrical pharyngeal pouches and pharyngeal slits 2. Mid-dorsal hollow nerve cord (in humans:spinal cord) 3. a single, mid-dorsal supportive rod, the notochord (in humans:intervertebral discs) 4. a muscular postanal tail at some stage in life (in human: coccyx) 5. endostyle (precursor to thyroid) or thyroid gland characters found in some inverts or absent in some chordates 1. segmented ...

A-V node - Conduction between atrial and ventricular syncytia ADH - antiduiretic hormone. Raises blood pressure, causes kidneys to reduce water excretion. ADH hormone is released from the ___. - pituitary gland agglutination - Causes chest pain, difficulty breathing alkalosis - Hyperventilation. Too great a loss of CO2 and decrease in carbonic acid and hydrogen ion concentration. Lightheadedness, agitation, dizziness, tingling. Angiotensin II - increases blood pressure by stimulating kidne...

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phylum chordata 2 major groups correct answers invertebrates vertebrates phylum choradata correct answers dorsal hollow nerve chord notochord pharyngeal slits post anal tail hollow dorsal nerve cord correct answers major nerve found on backside of chordates Notochord correct answers A rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support pharyngeal slits correct answers A gill structure in the pharynx, found in chordate ...

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

OSMT Exam Questions with verified Solutions 100% Solved 2024 Why doesn't phylogenetic systematics have a fixed number of hierarchical categories like Linnaean systematics? - answerEach branching point is a hierarchical level in the nested structure of phylogenetic systematics. The number of branching points—and therefore the number of possible hierarchical levels—varies substantially from one lineage to another. What aspect of evolution does phylogenetic systematics represent more c...

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...

What do organisms in the phylum Chordata vary from? correct answers From small worm like animals to humans. All members of the phylum Chordata have what characteristics in common? correct answers A notochord(flexible supporting rod), a dorsal, hollow nerve cord, pharyngeal gill slits, and a post-anal tail. How how are these characteristics presented? correct answers These characteristics may not be obvious, or they may even be absent in some stages of the life history, but all are present ...