Allopatric Study guides, Class notes & Summaries
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![BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+)](/docpics/4944711/6612f96615ebe_4944711_121_171.jpeg)
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BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+)
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BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - correct answer *Nonrandom mating 
*Migration 
*Genetic drift 
*Natural selection 
When does allopatric speciation occur? - correct answer when members of the same species become 
geographically separated 
When does sympatric speciation oc...
![Bio 311D Exam 2 Dr English](/docpics/3639037/652e887700bca_3639037_121_171.jpeg)
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Bio 311D Exam 2 Dr English
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Bio 311D Exam 2 Dr English 
 
To have no change in allele frequencies, you'll need... (H-W assumptions) - 1. No mutations 
2. Random mating 
3. no heritable advantages 
4. enormous population 
5. No incoming/outgoing individuals 
Evolution - change is proportion of alleles in a population 
Descent with modification - 1. organisms look different today 
2. organisms look different than their predecessors 
3. that change in appearance is 
-heritable 
-adaptive 
Natural selection means - ...
![BSC 108 Test 4 Questions and Answers(A+ Solution guide)](/docpics/4495840/65cbb2a35e25f_4495840_121_171.jpeg)
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BSC 108 Test 4 Questions and Answers(A+ Solution guide)
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Micro-evolution - Answer-- a change in an evolution's gene pool over a succession of generations 
- changes in allele frequencies within populations 
- often associated with adaptation 
- can be measured from one generation to the next 
Macro-evolution - Answer-- major changes in the history of life 
- origin of new species 
- generates biological diversity 
Species - Answer-A population or group of populations whose members have the potential to 
interbreed with one another in nature to produc...
![BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers.](/docpics/4941775/661266ad31f65_4941775_121_171.jpeg)
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers.
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers. What are the properties of life? - correct answer *Cells and organization 
*Energy use and metabolism 
*Environmental response 
*Regulation and homeostasis 
*Growth and development 
*Reproduction 
*Biological evolution 
When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - corre...
![Environmental Science Exam 1 Practice Test Questions & Answers 2023/2024](/docpics/4006457/65777af4c1160_4006457_121_171.jpeg)
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Environmental Science Exam 1 Practice Test Questions & Answers 2023/2024
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Environmental Science Exam 1 Practice Test Questions & Answers 2023/2024 
 
 
When a new species evolves as a result of geographic isolation it is referred to as 
A. sympatric speciation 
B. Natural Speciation 
C. Allopatric Speciation 
D. Resource partitioning - ANSWER-C 
 
Gifford Pinchot believed that resources should be used for the greatest good for the greatest number for the longest time and thus he practiced 
A. Biocentric preservation 
B. Utilitarian conservation 
C.Holistic preservatio...
![AP BIOLOGY MIDTERM EXAM](/docpics/5215203/6639c7d85927a_5215203_121_171.jpeg)
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AP BIOLOGY MIDTERM EXAM
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AP BIOLOGY MIDTERM EXAM 
which of the following principles is NOT part of Darwin's original theory of evolution by natural selection? 
A. Evolution is a gradual process that occurs over long periods of time. 
B. Variation occurs among individuals in a population. 
C. Mutations are the ultimate source of genetic variation. 
D. More individuals are born than will survive. 
C 
 
 
If a population is ini Hardy Weinberg equilibrium then: 
A. it is evolving to adapt to environmental changes 
B. the f...
![BIS 2B Final Exam (Part I) With 100% Correct Answers 2023](/docpics/3576225/65214cc73c010_3576225_121_171.jpeg)
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BIS 2B Final Exam (Part I) With 100% Correct Answers 2023
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BIS 2B Final Exam (Part I) With 100% Correct Answers 2023 
Community 
- set of species in a particular place 
 
 
 
Ecosystem 
- all species and their abiotic environment in a place 
 
 
 
Biological evolution 
- change in the properties of populations over the course of generations caused by descent with modification 
 
 
 
Natural selection 
- process that produces adaptations from differential reproductive success among organisms in same populations 
 
 
 
Stabilizing selection 
- favors and...
![BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+.](/docpics/4936597/661145b18e3ca_4936597_121_171.jpeg)
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+.
- Exam (elaborations) • 15 pages • 2024
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+. What are the properties of life? - correct answer *Cells and organization 
*Energy use and metabolism 
*Environmental response 
*Regulation and homeostasis 
*Growth and development 
*Reproduction 
*Biological evolution 
When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - correct answer *Nonrando...
![ENWC 201 Exam 1 All Possible Questions and Answers with complete solution](/docpics/5445843/66540550e6601_5445843_121_171.jpeg)
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ENWC 201 Exam 1 All Possible Questions and Answers with complete solution
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he world, in the US - 5500, 965 
Number of threatened/endangered mammal species - 1000 
What separates mammals from birds, reptiles, and amphibians - Mammals have hair, mammary 
glands, and three ear bones. 
What distinguishes birds from mammals, reptiles, and amphibians - Feathers 
Number of species of birds in the world, in North America, in the US - 9900, 2000, 925 
Number of threatened/endangered bird species - over 1000 
Number of reptile species in the world - 8200 
Number of reptile speci...
![AP Bio Evolution Latest Update Already Graded A](/docpics/5583538/66649b35dcd8e_5583538_121_171.jpeg)
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AP Bio Evolution Latest Update Already Graded A
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AP Bio Evolution Latest Update Already 
 
Graded A 
 
adaptive radiation rapid speciation of a single or a few species to fill many ecological niches 
 
allopatric speciation when populations physically separated by an extrinsic barrier evolve so 
that if the barrier breaks down, they can't breed 
 
artificial selection the intentional breeding of certain characteristics over others 
 
balanced polymorphism natural selection maintaining polymorphisms in a population 
 
bottleneck effect an evol...
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