Allopatric Study guides, Class notes & Summaries

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 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 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 - ...

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...

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...

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 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+. 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...

BIO 1150 Exam 1 - Questions with Verified Answers Postzygotic barrier A reproductive barrier that prevents hybrid zygotes produced by two different species from developing into viable, fertile adults Morphological species concept A definition of species in terms of measurable anatomical criteria. Ex. body shape and other structures Ecological species concept A definition of species in terms of ecological niche, the sum of how members of the species interact with the nonliving and living parts o...

BIO 202 - Exam 1 Questions And Answers 100% Ac What are the properties of life? - ANSWER-*Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution When was earth formed? - ANSWER-4.55 billion years ago When did life on earth first appear? - ANSWER-3.5 billion years ago What are the evolutionary mechanisms? - ANSWER-*Nonrandom mating *Migration *Genetic drift *Natural select...