Bio 172 animals exam questions with verified answers

Bio 172 animals exam questions with verified answers Which of the following is (are) unique to animals? A) the structural carbohydrate, chitin B) nervous and muscular tissue C) heterotrophy D) gametes B) nervous and muscular tissue What do all deuterostomes have in common? A) Adults are bilaterally symmetrical. B) Embryos have pharyngeal pouches that may or may not form gill slits. C) All have a spinal column. D) The pore (blastopore) formed during gastrulation becomes the anus. D) The pore (blastopore) formed during gastrulation becomes the anus. An organism that has cephalization probably also A) is bilaterally symmetrical. B) has a coelom. C) is segmented. D) is diploblastic. A) is bilaterally symmetrical. The first cell resulting from fusion of sperm and egg is a A) zygote. B) gonad. C) primary oocyte. D) planula. A) zygote. 5. Which of the following is not a phylum in the lophotochozoa? A) Nematoda B) Mollusca C) Platyhelminthes D) Annelida A) Nematoda Parasitic tremetodes and cestodes are members of the A) Nematoda B) Mollusca C) Platyhelminthes D) Annelida C) Platyhelminthes 7. Sponges have how many tissue types? A) 0 B) 1 C) 2 D) 3 A) 0 Which invertebrate phylum includes the largest individuals? A) Nematoda B) Arthropoda C) Annelida D) Mollusca D) Mollusca Which of the following is not a structure possessed by molluscs? A) anus B) radula C) mantle D) chaetae D) chaetae Against which structure do the circular and longitudinal muscles of annelids work to produce movement of the animal? A) notochord B) shell C) endoskeleton D) hydrostatic skeleton D) hydrostatic skeleton Which phylum contains the greatest number of species? A) Chordata B) Nematoda C) Arthropoda D) Mollusca C) Arthropoda Which two phyla are most closely related? A) Echinoderrmata and Arthropoda B) Arthropoda and Nematoda C) Echinodermata and Mollusca D) Nematoda and Brachiopoda B) Arthropoda and Nematoda An insect that goes through a complete metamorphosis between distinct larval and adult morphologies (such as a butterfly) is said to be A) holometabolous B) ametabolous C) hemimetabolous D) metametabolous A) holometabolous Which of the following is not a chordate characteristic? A) pharyngeal slits B) post-anal tail C) solid, ventral nerve cord