Chordate features - Study guides, Class notes & Summaries

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 ...

UNCW Bio 202 Exam 4 Questions and Answers What evidence suggests that Echinoderms evolved radial symmetry secondarily? - correct ans-d) Echinoderm larvae demonstrate bilateral symmetry Pedicellariae are pincer-like extensions located on the surface of echinoderms and function to: - correct ans-a) Remove debris b) Prevent other organisms from settling on the animal c) Protect the dermal branchiae --> d) All of the above A mutation in the gene that is responsible for the developmen...

1 of 20 What name is given to the food-trapping cells of sponges? Phagocytes Amoebocytes Cnidocytes Choanocytes 2 of 20 All animals are prokaryotic. are heterotrophic. have cell walls made of chitin. obtain food by absorption. 3 of 20 Features unique to mammals include the presence of hair. extended parental care of the young. being endotherms. having no egg-laying members. 4 of 20 Which of the following levels of structure encompasses all the others? Tissue Cell Organ Organism 5 of 20 Which of ...