Lab Practical Version B--key

Lab Practical Version B--key - Lab Practical Version B-Key...

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Lab Practical Version B—Key Station 1 1. Of all the worms here, animals A and D belong to the same phylum. What differentiates animals A and D from the other two animals at this station? a. animals A and D lack a coelom b. animals A and D possess a mesoderm c. animals A and D are hermaphroditic d. animals A and D are bilaterally symmetric e. animals A and D are parasitic 2. A complex life cycle is very important in order for animal D to maintain its genes in a population. How does animal D accomplish this? a. the intermediate host is a snail b. in the final host asexual reproduction occurs c. there is a very large reproductive output in the intermediate host d. the ephyrae in this animal reproduces asexually e. these animals do not die Station 2 3. What is one homology found in all of these animals? a. hair or fur b. scales c. wings d. tetrapod body e. post anal tail 4. Which animal belongs to its own class because of the presence of mammary glands? a. A b. B c. C d. D e. E Station 3 5. What is the primary function of structure C ? a. exchange of gametes b. uptake of oxygen c. evacuation of waste d. ingestion of food items e. swimming
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6. Which structure is the gizzard? a. A b. B c. C d. D e. none of these structures Station 4 7. Animal A has played a very important role in our understanding of genetics. Because of this any good biologist should know that this animal belongs to the insect order: a. Lepidoptera b. Hymenoptera c. Coleoptera d. Diptera e. Odonata 8. The wings are present on a specialized part called the thorax. The thorax is a result of the fusion of three segments into one region. This is an example of: a. metamerism b. chronic halatosis c. Batesian mimicry d. independent assortment e. tagmosis Station 5 9. Why are animals A and B placed into the same class? a. both possess a water vascular system b. both possess the Aristotle’s Lantern c. both possess an endoskeleton made of calcium d. both possess a coelom e. both possess ambulacral regions 10. Without the madreporite, what system would not be able to function very well in these animals? a. the water vascular system b. the nervous system c. the reproductive system d. the digestive system e. the hydrostatic skeletal system
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Station 6 11. To what class does animal B belong? a. Malacostraca
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Lab Practical Version B--key - Lab Practical Version B-Key...

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