Postzygotic barriers Study guides, Class notes & Summaries
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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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BIO120 TEST 2 UOFT LECTURE 9-15 RATED A+
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BIO120 TEST 2 UOFT LECTURE 9-15 
 
RATED A+ 
 
taxonomic diversification 
divergence causing a change in species name 
Taxonomy 
The scientific study of how living things are classified; like the vocabulary to the grammar of 
systematics 
Carol Linnaeus 
"Father of Taxonomy"; established his classification of living things; famous for animal naming 
system of binomial nomenclature; came BEFORE Darwin 
sympatric 
within a region 
Allopatric 
across regions 
taxonomic (morphological) naming of s...
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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 107 Oliver Ljustina Exam 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED
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Bio 107 Oliver Ljustina Exam 2024 QUESTIONS WITH 
DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED 
macroevolutionary processes Large changes which occur over long time periods and result 
in 
new species describe 
Ernst Mayr said: population or group of populations whose members can interbreed and 
produce fertile offspring 
reproductive barrier interruption in courtship, fertilization, embryo formation or offspring 
developmenreproduct 
prezygotic barriers barriers occur before the formation of th...
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AP Biology Exam Questions and Answers Graded A+
- Exam (elaborations) • 30 pages • 2024
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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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Ultimate AP Biology Exam Review Questions with Verified Answers
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Ultimate AP Biology Exam Review 
Questions with Verified Answers 
 
Compare and contrast transpiration and translocation. What is the difference between xylem and 
phloem? Tranpspiration is the loss of water vapor from the surgace of a plant through the 
stomata. Translocation is the channeling of the sugar through the phloem. 
 
Define hypoosmotic, hyperosmotic, and isomotic 1. Has a lower concentration of solutes 
than its surrounding enviorment 
2. Has a higher concentration of solutes than i...
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Oliver Ljustina // Exam 1 Bio 107 Questions and Answers Graded A+
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Oliver Ljustina // Exam 1 Bio 107 
Questions and Answers Graded A+ 
macroevolutionary processes Large changes which occur over long time periods and result in 
new species describe 
Ernst Mayr said: population or group of populations whose members can interbreed and 
produce fertile offspring 
reproductive barrier interruption in courtship, fertilization, embryo formation or offspring 
developmenreproduct 
prezygotic barriers barriers occur before the formation of the zygote or fertilized egg...
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Penn Foster Proctored Exam Intro to Biology (16-24) Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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Which of the following is a postzygotic isolating mechanism? 
: Hybrid sterillity 
The courtship rituals performed by some male birds to attract females of the same 
species are an example of ___ isolation. 
: Behavioral 
Speciation due to geographic barriers separating populations is called ___ speciation. 
: Allopatric 
All of the following factors have been implicated in mass extinctions, except: 
2 | P a g e 
A. Continental Drift 
B. Punctuated Equilibrium 
C. Meteorite Impact 
D. Loss of H...
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BIO 182 Exam 1 with Complete Solutions 2024
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BIO 182 Exam 1 with Complete Solutions 2024 
Macroevolution - Correct Answer Evolutionary change above the species level. 
 
Ecological species concept - Correct Answer identifies species in terms of their ecological niches, focusing on unique adaptations to particular roles in a biological community 
 
Postzygotic - Correct Answer Barriers that prevent the hybrid zygote from becoming a fertile adult. 
 
The theory of gradualism - Correct Answer Profound geological changes took place through the...
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BIO 202 EXAM 1 UNCW Questions with complete solution 2024
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BIO 202 EXAM 1 UNCW Questions with complete solution 2024 
Cyanobacteria - correct answer Common in both fresh and salt water 
 
Prezygotic mechanism - correct answer Barriers that prevents interbreed to happen before fertilization 
 
Postzygotic 
Mechanism - correct answer Barrier that prevents interbreed to happen after fertilization. 
 
Ex. Donkey and horse making Mule 
 
Horizontal gene transfer - correct answer DNA is transferred between bacterial cells 
 
How old is earth? - corr...
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