Trait evolution Study guides, Class notes & Summaries
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Intro to Life Processes: Final Exam Duquesne University questions and answers all are graded A+
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evolution - change in gene frequency in a population over time 
mechanism - a way for change to occur 
natural selection - a process in which individuals that have certain inherited traits tend to survive 
and reproduce at higher rates than other individuals because of those traits 
- proposed mechanism for evolutionary change 
variation is determined by - the environment 
heredity - passing of traits from parents to offspring 
reproductive success - successfully passing genes to next generation...
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IB Biology: Evolution Questions and Answers Already Passed
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IB Biology: Evolution Questions and 
 
Answers Already Passed 
 
What is a theory? A comprehensive explanation of some aspect of nature (vs a hypothesis, 
which is just a prediction as to the result of an experiment). 
 
What were some ideas from Darwin's time that influenced his work? French naturalist 
Buffon in the mid-1700s studied fossils and said the Earth must be older than previously 
assumed; Lamarck in the early 1800s proposed that life changes over time. 
 
Define acquired vs heritab...
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Biology: The Core 3rd Edition Exam Questions and 100% Correct Answers| Eric J. Simon
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Biology: The Core 3rd Edition Exam Questions and 100% Correct Answers| Eric J. Simon 
The Test Bank for Biology: The Core, 3rd Edition by Eric J. Simon is a comprehensive study tool designed to aid in the understanding of fundamental concepts in biology. It contains a series of questions and answers that align with th...
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BIO 121 Exam 1 Review Spring 2024 Questions and Answers | BIO 121 Exam 1 Review Spring 2024
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Evolution 
The gradual change in a species over time. 
Adaptation 
When the heritable trait increases an individuals fitness in a particular environment. 
Ancestral trait 
Is a character that existed in an ancestor. 
 
 
 
Derived trait 
Is one that is a modified form of the ancestral trait, found in a descendants. 
Vestigial trait
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NR 602 Exam 1 Questions and Answers Already Passed
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NR 602 Exam 1 Questions and Answers 
 
Already Passed 
 
What was the primary cause behind Darwin's finches developing into different subspecies? 
 
(a) Droughts 
(b) Competition for resources 
(c) Different microclimates of each island 
(d) Selective mating 
(e) None of the above C) Each kind of finch has a different beak because natural selection 
has selected for the beak that optimizes the most abundant food source in the particular climate 
that the specific birds live in. Because each of ...
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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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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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ASU BIO 182 Exam 2 Questions with Verified Answers.| Latest 2024/2025
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ASU BIO 182 Exam 2 Questions with Verified Answers. 
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1. How many modes of selection are 3 
there? 
2. What are the modes of selection? Stabilizing selection, directional 
selection, and disruptive selection 
3. Stabilizing Selection The mean of the trait remains similar over time but the standard deviation decreases 
4. Directional Selection The mean phenotype shifts in a 
particular direction 
5. Disruptive Selection The standard deviation of the trait 
increases as individuals with the...
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Life 103 Exam 1 CSU questions and answers all are correct 2024 graded A+
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Science - Answer-recognizing patterns in the natural world and understanding the mechanisms that give 
rise to those patterns 
The Diversity of Life - Answer-Patterns 
How plants and animals work - Answer-Mechanisms 
Evolution - Answer-the change in allele frequencies in a population over time 
Four Mechanisms of Evolution - Answer-Selection, Genetic Drift, Mutation, and Migration 
Selection - Answer-changes in allele frequencies due to organisms with advantageous alleles reproducing 
more succe...
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Anthropology Midterm Exam Questions and Answers | New One | Grade A+
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Anthropology 
Ans: The study of humans 
Archaeology 
Ans: reconstructs, describes, and interprets past human behavior through analysis of material 
remains 
Artifacts 
Ans: Something created by and used humans. 
Ecofacts 
Ans: Something naturally made, used by humans. 
Linguistic Anthropology 
Ans: "Studies language in its social and cultural context 
Kanzi 
Ans: male bonobo featured in several studies on ape language 
Biological/Physical Anthropology 
Ans: The study of human biological divers...
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