Sympatric Guías de estudio, Notas de estudios & Resúmenes
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BSC 108 Exam 4|Exam Questions with 100% Correct Answers | Updated 2024 | Guaranteed A+
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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 po...
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JMU BIO 150 Exam 2
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JMU BIO 150 Exam 2 
Define macroevolution ️evolutionary change above the species level, including the origin of a new 
group of organisms or a shift in the broad pattern of evolutionary changes over time 
How do we identify a species? ️groups of actually or potentially interbreeding populations that are 
reproductivley isolated from other such groups 
Define reproductive isolation ️cannot produce viable offspring 
Define viable ️offspring can reproduce 
Define speciation ️splitt...
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Bio 311D Exam 2 Dr English
- Examen • 21 páginas • 2023
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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 - ...
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BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+)
- Examen • 15 páginas • 2024
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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...
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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...
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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...
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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...
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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...
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BSC 108 Final Exam 2024 with Guaranteed Correct Answers
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What is micro-evolution? - correct answer Changes in allele frequencies within populations, often associated with adaptation, can be measured from one generation to the next 
"small changes" 
 
What is macro-evolution? - correct answer Major changes in the history of life, origin of new species, generates biological diversity 
"big changes" 
 
What is a species? - correct answer a group of populations whose members have the potential to interbreed with one another in nature to produce fertil...
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+.
- Examen • 15 páginas • 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...