After speciation occurs - Study guides, Class notes & Summaries
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BSC 108 Exam 4 | 75 Questions with 100% Correct Answers | Verified | Latest Update 2024
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What is microevolution? - The change in allele frequencies that occurs over time within a population. 
What is macroevolution? - Major evolutionary changes over time, the origin of new types of 
organisms from previously existing, but different, ancestral types. 
What is a species? - A group of populations whose members possess similar anatomical 
characteristics and have the ability to interbreed. 
What is allopatric speciation? - The formation of a new species in populations that are geographi...
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BSC 108 Exam 4 | 100% Correct | Verified | 2024 Version
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BSC 108 Exam 4 | 100% Correct | Verified | 
 
2024 Version 
 
What is microevolution? - The change in allele frequencies that occurs over time within a population. 
 
What is macroevolution? - Major evolutionary changes over time, the origin of new types of 
organisms from previously existing, but different, ancestral types. 
 
What is a species? - A group of populations whose members possess similar anatomical 
characteristics and have the ability to interbreed. 
 
What is allopatric speciation...
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BSC 101 Final Exam Study Guide (Illinois State University) Graded A+
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Why is the scientific method bad? - Answer-It is oversimplified, it implies that an experiment can 
answer a research question. Science isn't linear. It implies science is an independent effort, no 
creativity or imagination, and it ignores technology and society 
What is a theory? - Answer-Theories are broad explanations. They are supported by lines o evidence, 
with no contradictory evidence. Therefore the evolutionary theory isn't just a "theory" 
Why don't community analysis and feedbac...
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SCIN130 Chapter 16 Exam Questions and Answers 100% Pass
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SCIN130 Chapter 16 Exam Questions and 
Answers 100% Pass 
Which of the following is/are an example(s) of a postzygotic isolating mechanism? - 
Answer-Hybrid sterility 
Zygote mortality 
Two different species attempt to reproduce, but their offspring is unable to undergo 
proper mitosis because it has two different sets of chromosomes. This type of 
reproductive barrier is best described as __________ mortality. -Answer-zygote 
The evolutionary history of a group of organisms is called _____. -An...
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BIOL 180 Quiz 2 2023/24 100% Correct
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BIOL 180 Quiz 2 2023/24 100% CorrectBIOL 180 Quiz 2 2023/24 100% Correct 
 
Return to Assessment List 
 
 
 
Part 1 of 5 - Chapter 2	42.0 Points 
 
Question 1 of 33 
3.0 Points 
A bond between two atoms that occurs frequently, but does not require much energy to break is referred to as what? 
 
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A. Covalent bond 
•	 
B. van der Waals Interactions 
•	 
C. Hydrogen bond 
•	 
D. Ionic bond 
 
Feedback: Great job. 
 
 
Question 2 of 33 
3.0 Points 
What is the smallest component of...
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BSC2011 EXAM 1 QUESTIONS AND ANSWERS
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What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth? 
1. origin of mitochondria 
2. origin of multicellular eukaryotes 
3. origin of flowering plants 
4. origin of cyanobacteria - Answer-4, 1, 2, 3 
 
All of the following statements correctly describe some part of natural selection, EXCEPT - Answer-Fitness of an organism is directly equivalent to its survival ability 
 
On a coral reef in the Florida keys, a population of da...
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BIOL 180 Quiz 2 2023/24 100% Correct
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BIOL 180 Quiz 2 2023/24 100% CorrectBIOL 180 Quiz 2 2023/24 100% Correct 
 
Return to Assessment List 
 
 
 
Part 1 of 5 - Chapter 2	42.0 Points 
 
Question 1 of 33 
3.0 Points 
A bond between two atoms that occurs frequently, but does not require much energy to break is referred to as what? 
 
•	 
A. Covalent bond 
•	 
B. van der Waals Interactions 
•	 
C. Hydrogen bond 
•	 
D. Ionic bond 
 
Feedback: Great job. 
 
 
Question 2 of 33 
3.0 Points 
What is the smallest component of...
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Bio 181 Exam 1 Practice Questions with Complete Solutions
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Compare and contrast the different mechanisms of speciation (allopatric, sympatric, parapatric, peripatric). -Allopatric speciation takes place when populations are geographically isolated. Volcano explodes and populations are divided. 
 
-Sympatric occurs without geographic isolation. Occurs through the process of polyploidy: producing individuals with more than two sets of chromosomes. It is a genetic change within a population. 
 
-Parapatric speciation is when a new habitat is entered that i...
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McMaster Bio 1M03 Exam Questions With Correct Answers
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Why might Pasteur's experiment be inconclusive? - 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? - Answer To ensure that results were not achieved by random chance 
 
What is the definition of a replicate? - Answer Unit that shares a common thing (4 mice in one cage = 1 replicate) 
 
What does the law of succession suggest?...
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McMaster Bio 1M03 Exam Questions & Answers Solved 100%
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Why might Pasteur's experiment be inconclusive? - 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? - Answer To ensure that results were not achieved by random chance 
 
What is the definition of a replicate? - Answer Unit that shares a common thing (4 mice in one cage = 1 replicate) 
 
What does the law of succession suggest?...
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