Unit 7: Natural Selection

/ Unit 7: Natural Selection

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You’ll learn about Darwin’s theory of natural selection, and the evidence for and against mechanisms of evolutionary change.

Question Difficulty:

Question	Difficulty	Students Solved
Evidence for Genetic Drift	easy	105
Gene Flow and Population Genetics	medium	86
Hardy-Weinberg Equilibrium Conditions	medium	87
Temporal Isolation as a Reproductive Barrier	hard	66
Predation and Natural Selection	easy	68
Geological Evidence For Evolution	medium	70
Natural Selection and Heritable Variation	hard	64
Primary Effect of Natural Selection	easy	68
Genetic Variation and Natural Selection	easy	61
Natural Selection and Antibiotic Resistance	hard	55
Evidence for Natural Selection	medium	45
Geographic Distribution of the HbS Allele	hard	32
Effects of Gene Flow on Populations	medium	42
Extinction and Exploitable Niches	medium	33
Initiation of Allopatric Speciation	medium	36
Shared Metabolic Processes Across Life Domains	easy	36
Interpreting The Hardy-Weinberg Principle	hard	26
Adaptation and Divergent Evolution	medium	29
Determining Absolute Fossil Age	medium	26
Morphological Evidence For Evolution	easy	32

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	jesslynchchan	78	101	0m 00s	7,570
#2	29choi.minah	44	45	0m 00s	4,390
#3	nitromark26	37	45	0m 00s	3,620
#4	mapplectgg	51	60	23m 20s	3,610
#5	narayanam	34	40	0m 00s	3,340
#6	libertyyt1234	33	40	0m 00s	3,230
#7	satyaachanti1710	32	37	0m 00s	3,150
#8	minderashley1	33	50	0m 00s	3,130
#9	gjm200294	42	174	0m 00s	2,880
#10	jocelyn.ann.eguilos	28	35	0m 00s	2,730

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