Biol 322 Exam 1 Questions and Answers 100% Solved with correct answers 100% 2026

Biol 322 Exam 1 Questions and Answers 100% Solved with correct answers 100% 2026 what are the 5 defining characteristics of chordata? - Correct 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 ______ - Correct 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. - Correct Answer ramets how do the animals (ascidians) get rid of waste, and not have it flow back in to clog up vital functions? - Correct 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'? - Correct Answer blood flow is regularly reversed where are the high surface area regions on the body and do they have a function in gas exchange? (example: aquatic) (consider body plan and different types of organisms) - Correct Answer oxygen and carbon dioxide and all other gases are simply in the water, and any body body part bathed in water might serve some function in gas exchange the gills of fish... high surface area- water passes over- gas exchange occurs- respiration is accomplished- the fish need not come to the surface to 'breathe'. How does your circulatory system connect to and work with the respiratory system? - Correct Answer