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Biology Midterm 2 study guide

by: fehlman.1 Notetaker

Biology Midterm 2 study guide Biology 1114

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Study guide for midterm 2
Form, Function and Ecology
Dr. James Chiucchi
Study Guide
50 ?




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This 7 page Study Guide was uploaded by fehlman.1 Notetaker on Saturday March 19, 2016. The Study Guide belongs to Biology 1114 at Ohio State University taught by Dr. James Chiucchi in Summer 2015. Since its upload, it has received 290 views. For similar materials see Form, Function and Ecology in Biology at Ohio State University.


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Date Created: 03/19/16
Biology 1114 Midterm 2 study guide: 1. A group of male deer begin developing antlers that are larger and larger because they attract females. However, the antlers begin to weigh so much that the deer’s neck movement is restricted. Despite the disadvantages that having this increased antler size has, no predator or environmental stimulus is there to select against these over-large antlers. What is this an example of? A. Unregulated selection B. Stabilizing selection C. Runaway sexual selection D. Trait perpetuation 2. In the above example, if a group of mountain lions capitalizes on the deer’s lack of visibility due to neck movement, and kills deer with larger antlers, what does the trait of having the largest antlers to attract females become? A. De-coupled B. Counteracted C. Inferior D. Selectively pressurized 3. Which of the following are the three types of species concepts? A. Biological species concept, trait concept, evolution concept B. sympatric species concept, parapatric species concept, morophological species concept C. commonality species concept, evolution species concept, sexual selection D. Biological species concept, morphological species concept, phylogenetic species concept 4. Which species concept states that geography and environment can affect the variation within a species? A. Morphological Species concept B. Parapatric species concept C. Biological species concept D. Commonality species concept 5. This stops different populations from mating and leads to mating within individuals/ A. Pre-zygotic barriers B. Environmental intervention C. Sexual dimorphism D. Sexual incompatibility 6. In order for a group of individuals to go through speciation, they must be….. A. Go through a variation of at least 10% of the genome B. Be in a completely separate habitat C. Reproductively isolated D. Infertile 7. Select the choice that contains a barrier which is not pre-mating A. Temporal Isolation, Behavioral Isolation B. Habitual Isolation, Hybrid sterility C. Behavioral isolation, Temporal Isolation D. Temporal Isolation, Habitual Isolation 8. Which are the three correct models of speciation? A. Primary Speciation, Secondary Speciation, Tertiary Speciation B. Biological Speciation, Morphological Speciation, Phylogenetic Speciation C. Variance Speciation, Gradual Speciation, Incomplete Speciation D. Allopatric Speciation, Parapatric Speciation, Sympatric Speciation 9. The key element in facial structure ratio discovered by Plato that is regarded as being attractive is known as? A. The golden gate B. Perfect Picture C. The golden ratio D. Symmetrical ratio 10. What are the two most common types of reproduction? A. Incest, sex B. Outcast, spawning C. Spore transmittance, copulation D. Copulation, spawning 11. The type of sexual selection that is within one gender/sex is… A. Intersexual selection B. Intrasexual selection C. Innersexual selection D. Hardy Weinberg election 12. The difference between positive and negative assortive mating is… A. Positive= mates prefer similar phenotypes to theirs, Negative= mates prefer different phenotypes to theirs B. Positive= mates prefer different phenotypes to theirs, Negative= mates prefer similar phenotypes to theirs C. None of the above D. Both A and B 13. If a male kangaroo and its female mate both take turns nursing and carrying around their joey (offspring), which parent is more likely to be the one who dictates/ chooses the mating process? A. Male B. Female C. Both choose equally D. The joey 14. What is a way in which a male can increase its number of offspring? A. Behaving in a desirable manner to attract females B. Sneaking C. Cheating D. All of the above 15. Positive Covariance is… A. When an organism evolves with its environment B. An exaggerated trait yields more success for the trait carrier C. An exaggerated trait yields less success for the trait carrier D. An exaggerated trait has no effect on the success of the trait carrier 16. Negative Covariance is… E. When an organism evolves with its environment F. An exaggerated trait yields more success for the trait carrier G. An exaggerated trait yields less success for the trait carrier H. An exaggerated trait has no effect on the success of the trait carrier 17. Zahavi’s hypothesis states that… A. A male with a more exaggerated trait will be more desirable to a female B. A male with a less exaggerated trait will be more desirable to a female C. Females select males based on how they want their offspring to turn out D. Stabilizing selection will coincide with sexual selection to make sure traits aren’t exaggerated to the point of disablement 18. Adaptions must… A. Show a correlation between the feature and the environmental pressure its being measured against B. Take place over one generation C. Generally improve the fitness of an organism D. A and C 19. A dolphin and a bird both have a similar winged appendage. They do not share a common ancestor with this trait. This trait in most likely… A. homologous B. Inherited C. Analogous D. Inconsequential 20. In the scenario above, what type of evolution is taking place? A. Divergent evolution B. Convergent evolution C. Both A and B D. Selective evolution 21. In humans, a slight bump and bone on the lower back remains from an ancestor who had a tail. However, a tail in humans serves no purpose anymore. A tail/tail bone in humans is now known as a A. Modified character B. Outdated trait C. Vestigial Structure D. Complacent component 22. Dolphins and humans have a similar bone structure in their arms/ fins, a feature that most likely developed from a most recent common ancestor. Which type of evolution lead to the development of fins and arms? A. Divergent evolution B. Convergent evolution C. Sympatric evolution D. None of the above 23. In the above question, the actual structure of the fin / arm is a.. A. Vestigial structure B. Analogous structure C. Divergent structure D. Homologous structure 24. What is another name for a phylogenetic tree? A. Genetic chart B. Node C. Cladogram D. Monophyletic group 25. What part of a cladogram illustrates a most recent common ancestor between two species? A. Monophyletic group B. Node C. Paraphyletic group D. Divergent node 26. Which of the following is not an example to a type of reproductive output? A. Number of reproductive cycles B. Age of sexual maturity C. Fertility change over time D. Mate preference 27. A factor that effects the population size regardless of the size or density of the population is known as… A. Density-independent factor B. Density dependent factor C. Density control factor D. Density variability factor 28. In a heavily populated ecosystem of squirrels, a disease appears that is quickly transmitted throughout the population, killing a large majority of squirrels. The disease spread is an example of a… A. Density-independent factor B. Density dependent factor C. Density control factor D. Density variability factor 29. Mating success is primarily dictated by… A. Number of offspring B. Longevity of life C. Quality and number of mates D. The gender of mates 30. If the phenotype in a group of mice leads to higher fitness, we can expect the genotype that’s representative of that phenotype to ___________ in future generations A. Increase B. Decrease C. Stay the same Answer key: CADCACBDCDBACDBGDDCBCADCBDABCA


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