BIOL 1005 Quiz 4 Key Spring 2016 (3)

BIOL 1005 Quiz 4 Key Spring 2016 (3) - you how far from the...

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Biology 1005 Quiz 4 Name: _____________________________________ Spring 2016 Section: ____________________________________ 1. Name two ways in which the genetic make-up of a population can change (i.e. 2 mechanisms that drive evolution). (2pts) Mutations, Gene Flow, Sexual Reproduction, and Natural Selection 2. A lab group measured 3 different characteristics of a population of 20 sunflowers. Their results are below. Which characteristic exhibits the most variation? How do you know? (2pts) The number of seeds exhibits the most variation due to having the highest standard deviation which tells
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Unformatted text preview: you how far from the mean the data spread. 3. T /F The idea that some individuals produce more offspring or that their offspring survive better than others because of some characteristic is termed ‘natural selection’ (2 pts). 4. T/ F Evolution is the change in the genetic make-up of an individual over time (2 pts). 5. T/ F In this week’s lab we will be working with Drosophila melanogaster , which is a type of worm. (2 pts). Characteristic Mean Standard Deviation # of petals 22.4 6.9 # of seeds 129 54 Stem diameter (mm) 40 2...
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