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Unformatted text preview: SCI 240 Lecture Exam Review #1 1. __________________favors survival and reproduction of more advantageous variants and eliminates less advantageous variants. 2. Deviation from the Hardy-Weinberg equilibrium can be caused by the removal or addition of new alleles due to _____________. 3. T/F Mutations cause p and q to change. 4. What type of selection is often involved in the speciation process? a. stabilizing selection b. disruptive/diversifying selection c. directional selection d. bad music selection 5. One lineage of silverswords made it to Hawaii and have radiated over time. This would be considered an example of a successful a. mutation b. gene flow c. vacation d. founder effect 6. There are a few ways to define a species. The fact that dogs and cats cannot mate is an example of the a. phylogenetic species concept b. biological species concept c. taxonomic species concept 7. A dam is built in the middle of a lake so that cars are able to drive over the dam and get to the other side of the lake quickly. Species that used to intermingle over oysters and champagne are now separated by the dam and are no longer interbreeding. These now isolated populations are only interbreeding with themselves. This is an example of a. ring species b. adaptive radiation c. allopatry d. transilience 9. As monomers were spontaneously forming on the earth, the low concentration of ________ was helpful. a. sulfur b. carbon c. oxygen d. hydrogen 10. The fact that RNA is single stranded allows it act as both genetic material and a________. 11. Name one reason that DNA works better as the genetic material for life than RNA. 12. The electron transport chain in aerobic respiration runs backwards/forwards of the electron transport chain in photosynthesis. 13. Eukaryotes are the sister group to _____________. 14. What is the difference between autogenesis and endosymbiosis? 15. What two organelles are viewed as arising from endosymbiosis? 16. T/F Centrioles and basal bodies have exactly the same structure. 17. What is a synapomorphy for all eukaryotes? 18. What is the christae and what shape do the aveolates and straminopiles have? 19. Matching 1. amitochondria a.tripartite hairs on flagellum 2. Alvolates b.submembranous alveoli 3. Straminopiles c.live in hypo-oxygenic environments 20. Hybrid infertility is an example of a(n) _____________________ barrier....
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