Biology, 25.07.2019 01:30 06jesher44395
Starlings produce an average of five eggs in each clutch. if there are more than five, the parents cannot adequately feed the young. if there are fewer than five, predators may destroy the entire clutch. this is an example of disruptive selection. b. stabilizing selection. c. directional selection. d. none of the above. the occurrence of large or small beak sizes among seed crackers in the absence of medium sized beaks is an example of directional selection. b. stabilizing selection. c. disruptive selection. d. none of the above. a scientist measures the circumference of acorns in a population of oak trees and discovers that the most common circumference is 2 cm. what would you expect the most common circumference(s) to be after 10 generations of stabilizing selection? 2 cm
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When wind creates a sand dune, the sheltered side of the dune is less steeply sloped than the windward side has the same incline as the windward side is more steeply sloped than the windward side
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The diagram shows one step in the process protein synthesis. the process shown in the diagram is called
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Rank the following one-base point mutations (from most likely to least likely) with respect to their likelihood of affecting the structure of the corresponding polypeptide: 1. insertion mutation deep within an intron 2. substitution mutation at the third position of an exonic codon 3. substitution mutation at the second position of an exonic codon 4. deletion mutation within the first exon of the gene a) 1, 2, 3, 4 b) 4, 3, 2, 1 c) 2, 1, 4, 3 d) 3, 1, 4, 2 e) 2, 3, 1, 4
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Starlings produce an average of five eggs in each clutch. if there are more than five, the parents c...
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