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Exam%20Review%20Questions%20First%20Common%20Hour%20Exam

Exam%20Review%20Questions%20First%20Common%20Hour%20Exam -...

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Exam Review Sample Questions and answers for First Common Hour Exam: 1. In which of the following opening statements in a scientific paper are the species named in accordance with the rules of biological nomenclature? a. Rosa pal. and Hibiscus pal. are both found in swamps b. Rosa palustris and Hibiscus palustris are both found in swamps c. R. pal and H. pal. are both found in swamps d. R. Palustris and H . Palustris are both found in swamps e. Rosa p. and Hibiscus p. are both found in swamps Answer: is B 2. Which of the following statements is true? Justification: Homologous characters are features derived from a common ancestor, and share common structural traits e.g. bones in a bat wing are homologous to bones in a human arm . They don’t necessarily have to have the same function Analogous characters are similar in appearance as they adapt to similar needs (convergent evolution) i.e. serve the same function, but are not derived from a common ancestor e.g. bat wings and insect wings 3. You find a strange creature that is bilaterally symmetrical and lacks a coelom or pseudocoelom ( acoelomate, protostome platyhelminth or nematoda ). On the basis of this information, you would predict that the creature in question has:
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Answer b: Justification 4. In phylum Chordata a. The notochord forms the central axis of the radially symmetrical body b. Chordate characters are absent in the embryo but appear later in development c. The anus develops from the blastopore d. The nerve cord is ventral e. The body cavity is not completely lined with mesoderm
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