Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Population divergence occurring as a result of females in a species consistently choosing males of a particular color is an example ofecological
speciation Haldane's Rulegenetic driftsexual selection
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Population divergence is an evolutionary process by which the population of inbreeding species, diverges into more than two populations and those population were found to be more different between each other. Female choose their mate based of the presence of specific attractive features. Male posses these specific features such as long tail, good skin colour, colourful feathers to attract females.
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- NATURAL SELECTION NATURAL SELECTION IN INSECTS SUBMIT INTRODUCTION LABORATORY SIMULATION Lab Data PHASE 6: Polluted forest Moths G1 G2 G3 G4 Complete the following steps: Released G5 Тyрica 250 125 88 83 76 Select initial allele frequencies 29 Carbonaria 750 510 735 885 1042 1406 Click Next generation to wait a year Total 1000 635 823 968 for first generation of moths 1118 1435 Phenotype Frequency Click Capture moths to monitor population numbers Color Initial Frequency Frequency G5 Next generation Calculate phenotype frequencies in 5th generation. Record in Lab Data 4 Тypica White 0.25 Capture moths Carbonaria Black 0.75 Calculate allele frequencies in 5th Allele Frequency generation. Record in Lab Data Allele Initial Allele Frequency G5 Allele Frequency 6. Calculate genotype frequencies anc number of moths in 5th generation. 0.50 Record in Lab Data 0.50 Genotype Frequency Moths Initial Frequency Number of BELS Moths Genotype Color Released Frequency G5 Moths G5 q? Тypica dd White 250…arrow_forwarddentify the type of selection represented by this diagram Question 18 options: habitat isolation disruptive selection sexual selection directional selection stabilizing selectionarrow_forwardWhen males and females of a population look or act differently (difference in secondary sexual characteristics between males and females of the same species), it is referred to which of the following? Lüffen birini seçin: O a. diversifying selection O b. sexual dimorphism O c. speciation O d. clinearrow_forward
- Genetic drift differs from gene flow in that Group of answer choices genetic drift occurs at a steady, but low, rate in all populations while gene flow is largely random event occurring in small populations. genetic drift is most likely to produce a loss of genetic diversity in a population whereas gene flow will often increase genetic diversity in a population. none of these choices adequately describe the difference between genetic drift and gene flow. genetic drift is based on female choice of particular mates but gene flow is largely a product of natural selection.arrow_forwardWhich of the following is an effect of gene flow? Population size is greatly reduced Individuals establish a new population Natural disasters Genetic differences between populations are reducedarrow_forwardGene flow describes how genetic differences in individuals change after several generations the net movement of alleles from one population to another by individual migration the genetic diversity in a population from one generation to the next the frequency of alleles changes based on the selective pressure of the environment the plasticity of the gene poolarrow_forward
- You arrive on an alien planet and settle down to live there for a long time. There are very few species. Two of the species (A and B) are sometimes common and sometimes rare. When you start keeping track of population changes you discover that the population sizes fluctuate on a regular cycle in close synchrony. Species B always increases first, followed by species A. Which of the following would be the best explanation for what you are seeing? Group of answer choices -Species A is a predator and there is a time lag between changes in the density of its prey and species A's population change -Species A is a predator and it can respond instantly to changes in its prey population -Species B is a predator and there is a time lag between changes in the density of its prey and species B's population change -Species B is a predator and it can respond instantly to changes in its prey populationarrow_forwardWhy would you not want to harvest to a point where salmon populations are kept at very low numbers? Select true or false for each answer. small populations [ Choose ] are more likely to go extinct do to unforeseen (stochastic) events small populations [ Choose ] are more likely to lose genetic diversity small populations Choose ] are more susceptible to inbreeding depression small populations [ Choose ] are not growing very quickly so you would have low fishing yieldsarrow_forwardWhich of the following statements is FALSE? not all individuals in a population reproduce'equally the frequency of a characteristic in a population can change between generations differential reproductive success alters a population from one generation to the next microorganisms can evolve much more quickly than most other organisms generation times are similar between species Oall of these statements are RUEarrow_forward
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