BIO 202 Exam 3-Questions with Correct Answers/ Expert Verified
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Course
BIO 202
Institution
BIO 202
A parasitic fluke found in the liver of vertebrates after spending part of its life cycle in the
musculature of a snail belongs to what class of animals and demonstrates what type of life
cycle? - Trematoda; indirect
What does totipotent mean? - A cell's ability to give rise to any other existin...
BIO 202 Exam 3 -Questions with Correct Answers/ Expert Verified A parasitic fluke found in the liver of vertebrates after spending part of its life cycle in the musculature of a snail belongs to what class of animals and demonstrates what type of life cycle? - ✔✔Trematoda; indirect What does totipotent mean? - ✔✔A cell's ability to give rise to any other existing cell type You come across an organism that contains siliceous spicules. What phylum does this animal most likely belong to and what grade of organization does it have? - ✔✔Porifera; Cellular What secretes the shell in mollusks? - ✔✔Mantle What are the functions of a fluid filled body cavity? - ✔✔Allows for greater flexibility of movement, provides space for organs and system development, provides support as a hydrostatic skeleton In protostomes: - ✔✔The blastopore becomes the mouth If a polyp does not have a medusa stage, then: - ✔✔It must reproduce sexually as a polyp Diploblastic refers to _________ where ___________. - ✔✔Cnidarians and comb jellies, only 2 germ layers are formed Animals with a body cavity completely filled with meso derm are - ✔✔eucoelomate Upon turning over a rock in a local pond, you notice a number of very small worms that are flattened dorsoventrally with cilia on the ventral surface. What class do these worms most likely belong to and do they have distinct respiratory structures? - ✔✔Turbellaria; No What is not a factor in cephalization? - ✔✔Concentration of the sensory organs to increase sexual copulatory function
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