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Biol 322 Exam 1 2025 Questions and Answers what are the 5 defining characteristics of chordata? - ....ANSWER ...-dorsal hollow nerve cord (DHNC) notochord (NC) pharyngeal slits(PS) post anal tail (PAT) in adult ascidians, a filter feeder, water is pulled in though the ______ and expelled out the ______ - ....ANSWER ...-buccal siphon atrial siphon An ascidian colony produced by asexual reproduction is made up of only a single genotype. All the individuals, or ______, as they are called, are clones of one another. ....ANSWER ...-ramets how do the animals (ascidians) get rid of waste, and not have it flow back in to clog up vital functions? - ....ANSWER ...-In ascidians, raw seawater (with food particles and oxygen) is entering the buccal siphon and waste water (with excretions, feces, gametes when sexual, and carbon dioxide) is leaving via the atrial siphon. why are blood vessels in ascidians not given the distinction of 'artery' or 'vein'? ....ANSWER ...-blood flow is regularly reversed …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1