Vestigial traits Study guides, Class notes & Summaries
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McMaster Bio 1M03 Exam Questions with 100% Correct Answers | Latest Version 2024 | Verified
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Why might Pasteur's experiment be inconclusive? - 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? - To ensure that results were not achieved by random 
chance 
What is the definition of a replicate? - Unit that shares a common thing (4 mice in one cage = 1 
replicate) 
What does the law of succession suggest? - As one species disap...
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Biology 1M03 Final Exam Practice Questions And Answers
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Biology 1M03 Final Exam Practice Questions And Answers 
 
 
Interpret this statement: Extinct fossil species are typically succeeded by similar living species - ANS Extinct and living forms represent ancestors and descendants 
 
Which is an example of developmental homology 
a) gene content 
b) similar organismal structures 
c)vestigial traits 
d) similar embryonic traits - ANS d) 
 
Which is not one of Darwin's 4 Postulates: 
a) Individuals in a population vary in their traits 
b) These...
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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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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? - Correct Answer 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? - Correct Answer To ensure that results were not achieved by random chance 
 
What is the definition of a replicate? - Correc...
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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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AP Biology Exam 2023 with 100% correct answers
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What are the 2 theories of evolution? Explain each - correct answer Gradualism- geologic changes result from slow, gradual, continuous process 
Punctuated Equilibrium- Long period of stasis punctuated by short bursts of significant change. 
 
What was Lamarck's theory and why was it wrong? - correct answer Lamarck = Inheritance of Acquired characteristics- traits acquired during lifetime could be passed on 
 
What is natural selection - correct answer Comptetition for limited resources re...
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McMaster Bio 1M03: Exam Questions And Answers
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McMaster Bio 1M03: Exam Questions And Answers 
 
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 common thing (4 mice in one cage = 1 repl...
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Bio 171 Exam 2 Questions With Complete Solutions
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Darwin and Wallace's Two Big Ideas Correct Answer-1.) descent with modification 
2.) natural selection 
 
Special Creation Correct Answer--1700s and early 1800s POPULAR belief that species are FIXED entities that neither change nor give rise to descendant species 
 
Darwin and Wallace's Observations Correct Answer--fossils of extinct animals are found where similar animals live today (armadillo and Glyptodon) 
-Islands near each other have similar but distinct animals living on them 
-some sp...
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AP Biology Exam Questions and Answers Graded A+
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AP Biology Exam Questions and Answers Graded A+ 
What are the 2 theories of evolution? Explain each 
Gradualism- geologic changes result from slow, gradual, continuous process 
Punctuated Equilibrium- Long period of stasis punctuated by short bursts of significant change. 
 
 
What was Lamarck's theory and why was it wrong? 
Lamarck = Inheritance of Acquired characteristics- traits acquired during lifetime could be passed on 
 
 
What is natural selection 
Comptetition for limited resources re...
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BIO 117 Exam 1 Questions and Answers Already Passed
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BIO 117 Exam 1 Questions and Answers 
Already Passed 
What is an adaptation? a trait that improves the fitness of its bearer, compared with 
individuals without the trait 
How can biological fitness be estimated? Count the number of healthy, fertile offspring 
produced by different individuals in a population. 
All of the following are true for natural selection EXCEPT: 
- Variation exists in populations (all individuals are NOT the same). 
-Characteristics acquired by individuals over the cours...
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