Directional selection Study guides, Class notes & Summaries
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bio 1108 exam 1 (herrick) Questions With Correct Answers!!
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what are two factors that contribute to phenotype? - Answer-genotype and environment 
species - Answer-individuals that are able to exchange genetic material 
gene pool - Answer-all alleles present in individuals of that species 
populations - Answer-interbreeding groups of organisms of the same species living in the same 
geographical area 
what are two main sources that lead to genetic variation? - Answer-mutation and recombination 
what can somatic mutations lead to? - Answer-cancer, disease ...
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Sabalauski Air Assault School Phase 1 Test 2022/2023 Graded A
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Sabalauski Air Assault School Phase 1 Test 2022/2023 Graded A 
What are the dimensions of the reference lights that mark an additional touchdown point for cargo aircraft? . 10mx10m. 
A _________ is a location where you can maintain communication with the aircraft, have total overview of the LZ/PZ, and are able to see incoming aircraft. Control Facility. 
A __________ is defined as personnel and equipment designated to be moved by a specific aircraft. Chalk 
Air Routes are commonly marked with __...
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Ecology Science Olympiad 2024-2025 with Certified Solutions
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Ecology Science Olympiad 
 
with Certified Solutions 
 
Succession progressive replacement of one community by another until a stable climax is 
established 
 
2 types of succession Primary: succession of vegetation from a barren desert or water to a 
climax community 
 
Secondary: Biotic communities develop in a place where the natural vegetation is gone but soil is 
present 
 
Climax Community community of vegetation (plants, trees, fungi, etc) that have reached a 
steady state 
 
Selection a...
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ADVANCED PLACEMENT (AP) BIOLOGY: Identify Evolutionary Change Mechanisms 40 Questions Correctly Answered | 100% Rated
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ADVANCED PLACEMENT (AP) BIOLOGY: 
 
Identify Evolutionary Change Mechanisms 
40 Questions Correctly Answered | 100% Rated 
Question 1 
What conclusion did Darwin draw from the finches he observed at the Galapagos Islands? 
Possible Answers: 
Organisms will evolve in order to fill unoccupied niches in their environment. 
Finches will all live in the same area of a tree, regardless of species type. 
Birds reserve a herd mentality, and will aspire to remain similar in appearance to one another...
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bio 1108 exam 1 (herrick) questions and answers 100% pass
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bio 1108 exam 1 (herrick) questions and answers 100% pass 
what are two factors that contribute to phenotype? - Correct Answer ️️ -genotype and 
environment 
species - Correct Answer ️️ -individuals that are able to exchange genetic material 
gene pool - Correct Answer ️️ -all alleles present in individuals of that species 
populations - Correct Answer ️️ -interbreeding groups of organisms of the same 
species living in the same geographical area 
what are two main sources that l...
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McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam).
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McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). 
Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask 
broth may not support cell growth, or the broth was poisoned. Experiment did not 
confirm hypothesis that all cells come from pre-existing cells 
Why are replicates important in experiments? - ANS - To ensure that results were 
not achieved by random chance 
What is the definition of a replicate? - ANS - Unit that shares a c...
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BIO 182 Exam 2 Questions And Answers 100%
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BIO 182 Exam 2 Questions And Answers 100% 
 
How many modes of selection are there? 
3 
What are the modes of selection? 
Stabilizing selection, directional selection, and disruptive selection 
Stabilizing Selection 
The mean of the trait remains similar over time but the standard deviation decreases 
Directional Selection 
The mean phenotype shifts in a particular direction 
Disruptive Selection 
The standard deviation of the trait increases as individuals with the mean value disappear. 
Stabil...
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Biology 1108 Unit 1 EXAM Questions and Answers 100% Pass
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Biology 1108 Unit 1 EXAM Questions and 
Answers 100% Pass 
The term "n" refers to the size of a population, that is, the number of individuals in that 
population. In general, in a sample of n individuals, the frequency of an allele is: 
A)the number of occurrences of the allele. 
B)the number of occurrences of the allele divided by n. 
C)the actual value of n 
D)the number of occurrences of the allele divided by twice the number of individuals in 
the sample (2n). 
E)twice the number of occur...
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The Sabalauski Air Assault School Phase 1 Study Guide 2022/2023 Already Passed
- Exam (elaborations) • 14 pages • 2023
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The Sabalauski Air Assault School Phase 1 Study Guide 2022/2023 Already Passed 
What is the allowable cargo load of the LUH—72A in its normal configuration when used for MEDEVAC operations? 2 litter, 1 medic or 5 ambulatory 
What is the primary use for the CH-47 when used for CASEVAC missions? Mass Casualty Evacuation 
What is the crew of a LUH-72A when not being used for MEDEVAC operations? 4 - pilot, co pilot, crew chief, and in flight medic 
What is the total length of the high-performance ...
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McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam).
- Exam (elaborations) • 20 pages • 2024
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McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). 
Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask 
broth may not support cell growth, or the broth was poisoned. Experiment did not 
confirm hypothesis that all cells come from pre-existing cells 
Why are replicates important in experiments? - ANS - To ensure that results were 
not achieved by random chance 
What is the definition of a replicate? - ANS - Unit that shares a c...