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BIOL 322 Exam 1 2025 Questions and Answers Ecology - ....ANSWER ...-[Fill in the blank] is the scientific study of animals. does not have a backbone - ....ANSWER ...-If a species is an invertebrate then it: Chordata - ....ANSWER ...-Cephalochordates are a subphylum of the Phylum? trimeric - ....ANSWER ...-Hemichordates have a prosome, mesosome, and metasome. This three-part body plan is sometimes referred to as [Fill in the blank]. HINT: the word starts with a 't' meroplankton - ....ANSWER ...-An organism that spends part of its life cycle as a planktonic form is referred to as: buccal siphon......atrial siphon - ....ANSWER ...-An adult ascidian is a filter feeder. Water is pulled in through the [Fill in the blank]and expelled through the [Fill in the blank]. filter feeding - ....ANSWER ...-ascidian urochordate suspension feeding - ....ANSWER deposit feeding - ....ANSWER ...-pterobranch hemichordate ...-enteropneust hemichordate …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1