Q: Discuss how movement and migration behaviors are a result of natural selection
A: Change in the activity of the organisms when a particular stimulus is achieved is called behaviour.
Q: discuss the role of chance and direction in evolution and in determining the phenotype of a…
A: As the evolution is a change in a trait or characteristic that evolve over generation and this occur…
Q: explain how natural selection works and how it affects populations?
A: Introduction Evolution is the key process which regulates the survivability and continuity of…
Q: Give an example of each of the following evolutionary forces: mutation, natural selection, genetic…
A: Mutation:change in structure of gene,that result in variant form. Ex: Genetic mutation of fruit…
Q: Define the five agents of evolutionary change.
A: Evolution is the end result of a number of factors working together. It is said to occur when new…
Q: Describe how natural selection can result in speciation.
A: Natural selection is defined as an evolutionary mechanism in which individuals get better…
Q: If evolution requires genetic variation, can populations of asexually reproducing organisms evolve?…
A: One of the defining features of living species is their capacity to evolve and evolution takes place…
Q: Explain why sexual selection is a form of natural selection.
A: Answer: Introduction: Natural selection takes place if few individuals out-reproduce others, and…
Q: describe how a new species can be produced by natural selection?
A: Introduction Evolution is the key process which regulates the survivability and continuity of…
Q: Describe and give real world example of Geographic on adaptation and speciation
A: Adaptation:- Adaptation is the physical or behavioral characteristic or the adjustment of organisms…
Q: Explain the concept of Co-evolution.
A: Introduction Evolution can be defined as the change which occurs as the heritable characteristics of…
Q: Describe how genetic drift can result in speciation.
A: Speciation is a process of the formation of new species when species come into being. It can be…
Q: Explain the role of gene flow in the biological species concept.
A: According to the Biological species concept, a group of individual with interbreeding members to…
Q: Describe how the effects of genetic drift and natural selection can interact in a subdivided…
A: Evolution is defined as a change or alteration in the genetic composition of a specific population…
Q: Describe the four basic causes of evolution: natural selection, mutation, genetic drift, and gene…
A: Evolution is the change taking place in the characteristics of a species through various generations…
Q: What is the importance of evidences of evolution in establishing evolutionary relationships?
A: Evolution is the sole scientific explanation for the diversity of life. According to multiple…
Q: Describe the factors that cause the gene pool to change, including natural selection, genetic drift,…
A: A gene pool is the assortment of various genes inside an interbreeding populace. The idea of a gene…
Q: Explain the relationship between the process of naturalselection and evolutionary change.
A: Adaptations are the effects of evolution which process that takes place through the gene mutation…
Q: Explain Natural Selection using the terms evolution, fitness, adaptation, heritable train, and…
A: Selection in genetics means the process by which a set of traits or individuals with traits are…
Q: Describe natural selection and give natural selection at work in a population an example of
A: The process through which the well-known stated that the term which is the populations of living…
Q: Diagram the relationships among adaptive traits, reproductive fitness, and evolution by natural…
A: In ecology, natural selection is defined as the process which shows adaptation changes by different…
Q: Describe three patterns of natural selection.
A: Natural selection is the distinctive survivorship and breeding of individuals due to the…
Q: Describe how over-reproduction and heritable variation relate to evolution by natural selection.
A: Over reproduction refers to the production of a high number of progeny by each generation. These…
Q: lace the steps of natural selection in sequential order
A: The steps of the natural selection are, 1. Variation2. Inheritance3.Selection4. Time and Adaptation
Q: explain how natural processes lead inevitably to evolution?
A: The changes in inherited characteristics over a period of time in a population species is known as…
Q: Explain the process of natural selection.
A: According to the scientific theory of evolution, all the organisms in the world are related by means…
Q: Describe how a) genetic drift, b) natural selection, and c) mutation affect the fitness of…
A: Genetic drift : It is the change in the frequency of an existing gene variant in a population due to…
Q: Explain the process of natural selection and selection pressure
A: Natural selection is the process through which populations of living organisms adapt and change.…
Q: Differentiate between natural selection and genetic grift. Give a specific example for each.
A: The change is allele frequencies of a population can take place by gene flow, genetic drift and…
Q: Describe natural selection and give an example of natural selection at work in a population.
A: Natural Selection means by the phenomenon of the survival of the fittest, only those populations or…
Q: Describe and give example of Temporal in adaptation and speciation.
A: Adaptive radiations is an evolutionary pattern where by a single and sister form diversified into…
Q: Discuss how genetic drift, natural selection, and migration can contribute to such changes.
A: "Evolution" is responsible for species variety. The evolution of various species in an area causes a…
Q: Describe and give example of Behavioural in Adaptation and Speciation
A: Evolution is the science of how life evolves over generations, and evolutionary science is the…
Q: Explain why genetic variation within a population is aprerequisite for evolution.
A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…
Q: Discuss the main application of the Hardy–Weinberg principle in evolutionary biology.
A: This law was proposed by G.H Hardy and Wilhelm Weinberg, hence it is called the Hardy Weinberg law.…
Q: Compare and contrast the effects of mutation, migration, genetic drift, and natural selection on…
A: Genetic variation is defined as the difference in the genetic sequence between the people. Causes of…
Q: Describe how pre-zygotic, post-mating and post-zygotic isolation mechanism lead to variation and…
A: The phenomenon of evolution of a population to form distinct species is called speciation. A group…
Q: Describe the concepts of natural selection, including differential reproduction, mutations,…
A: In ecology and evolutionary biology, organisms get adapted to their changing environment for better…
Q: Describe how populations with substantial genetic differences can form. What is the role of natural…
A: The Factors influencing the genetic diversity in a gene pool: population size, genetic drift,…
Q: Describe an example of evidence for natural selection and an example of evidence for artificial…
A: Natural selection Is a natural process in which organisms that are better adapted to their…
Q: Explain the concept fitness in relation to natural selection
A: Natural selection is the gradual process by which populations of the living organisms can adapt and…
Q: Name an evolutionary force that decreases genetic variation in a population.
A: Some of the mechanisms that come under evolutionary forces are mutation, genetic drift, gene flow…
Q: xplain how Darwin ideas about natural selection support the theory of evolution?
A: The theory of natural selection states that organisms that show heritable variations are more…
Q: Describe how natural selection can create new species through reinforcement.
A: Reinforcement is a process of increasing reproductive isolation. In other words it enhances…
Q: Outline the main types of characteristics commonly exhibited by organisms in an evolutionary system.
A: 1. For an organism to live in an ecosystem it should interact with the environment so, it should be…
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- Which of the following populations is not in Hardy- Weinberg equilibrium? a population with 12 homozygous recessive individuals (yy), 8 homozygous dominant individuals (YY), and 4 heterozygous individuals (Yy) a population in which the allele frequencies do not change over time p2 + 2pq + q2 = 1 a population undergoing natural selection25. Answer the following questions based on the facts and inferences related to natural selection that we discussed in class, as well as the simulations you performed with the Evodots lab. If individuals vary, and variation affects survival and reproduction, and variation is heritable: there will be natural selection resulting in evolution. there will be no natural selection, but there will be evolution due to natural selection. there will be natural selection, but it will not result in evolution. there will be no natural selection, and there will be no evolution due to natural selection. 24. Answer the following questions based on the facts and inferences related to natural selection that we discussed in class, as well as the simulations you performed with the Evodots lab. If individuals vary, and variation affects survival and reproduction, but variation is not heritable: there will be natural selection resulting in evolution. there will be no natural selection, but…1. List three places outside of Africa where sickle-cell anemia is fairly common in the indigenous population: a. b. c. 2. Why hasn't the sickle-cell trait died out? 3. What is the ultimate source of biological variation? What is the difference between gene flow and genetic drift?
- 29. How did Thomas Malthus contribute to Charles Darwin's insights about natural selection? Group of answer choices Malthus proposed that populations tend to grow faster than resources do. Malthus was among the first to recognize that the fossil record documents species changing over time. Malthus was the one who proposed the idea of gradualism. Malthus developed the first system of categorizing and naming species. Malthus proposed that characteristics acquired during one's lifetime can be passed to offspring.3. a. Why are most populations not in Hardy Weinberg Equilibrium? b. There is an ancient village population of humans. We know very little about this population. How can we use genetics to determine if the societal system of the village was matrilocal or patrilocal? c. There was variation in a rat phenotype (coat color.) The coat colors ranged from dark color coats to light color coats. As the rats migrated into the basements of campus, the light color rats were more likely to be caught by the campus cat. Over time, the basement rat population shifted to entirely dark color coats. This is an example of what kind of selection? d. Explain how a genetic bottleneck could lead to higher susceptibility of a disease, such cancer, in that population.33. Charles Darwin is responsible for which of the following? Being the first to propose the theory of evolution. Developing his theories as a naturalist working in Brazil and Malaysia. Illustrating his theory of natural selection on Galapagos finches in his book On the Origin of Species. Proposing particulate inheritance. Arguing for punctuated equilibrium to describe speciation events.
- 5. a. Is genetic drift a gain or loss in heterozygosity? b. What population is most effected by drift? Ne = 20 or Ne = 200. Why? c. There is a balancing act between drift and another force of evolution. What is it and why is this important?Follow up on Question 2. The purpose of including species D in the phylogenetic reconstruction is so that it can be used as a. an in-group for inferring the polarity of trait evolution b. an out-group for inferring the polarity of trait evolution c. an ancestral group for inferring the polarity of trait evolution d. a monophyletic group for classifying vge gene types e. None of the above1. Did both populations (with and without natural selection) conform to Hardy-Weinberg equilibrium? What happened to observed allele frequencies in each population? Only answer question 1 below is an information about the question . Data result of Testing Hardy-Weinberg Equilibrium with natural selection Chi-square of results from bean model for F1: a. Total of (obs-exp)2/exp = Chi- square value for F1 = 3.1 The resulting chi-squared value is 3.1. b. For a p-value of 0.05 and 2 degrees of freedom, the critical value is 5.99. Our value of 3.1 is smaller than the critical value (5.99), Thus, we cannot reject the null hypothesis. c. The population is in Hardy-Weinberg Equilibrium, and is not evolving or It does conform to null hypothesis. Chi-square of results from bean model for F2: a. Total of (obs-exp)2/exp = Chi- square value for F2 = 6.5 The resulting chi-squared value is 6.5. b. For a p-value of 0.05 and 2 degrees of freedom, the critical value is 5.99. Our value of…
- 1. Fitness is most correctly a technical term. What does it mean? What two things do you suppose govern the rate of evolution by natural selection? Explain how the Darwanian evolution can decrease and increase the frequency of an allele( or a more complex heritable trait, for that matter).Please use and cite any source(s) you can find to answer the following questions:1. Define "homologous structures," and explain how they help support evolutionary theory.2. Darwin proposed natural selection as a mechanism for evolution. How is it similar to artificialselection? How is it different?3. For natural selection to work, there must be genetic variation within a population as well asmutations? Why must there be both?4. What is the difference between natural selection and sexual selection?What is the main factor that differentiates genetic drift from natural selection? 1. Genetic drift occurs due to human influence, while natural selection is natural. 2. Genetic drift is random, while natural selection is based on advantageous traits. 3. Genetic drift is a mechanism of evolution, while natural selection is not.