Explain why only populations evolve but individuals do not. Ducks are aquatic birds. Some force other than environmental conditions must be acting upon the males to produce so many species. b. Evolution only occurs in a very large gene pool. Give an example of how these mechanisms have impacted evolution in a species. Could individuals of a species look different today than Access to over 100 million course-specific study resources, 24/7 help from Expert Tutors on 140+ subjects, Full access to over 1 million Textbook Solutions, This textbook can be purchased at www.amazon.com, ipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Why or why not? 9.) The more they used their feet, the more webbed their feet became, so they got enough food to survive and reproduce.Due to chance mutations, all the ducks feet in the next generation had more webbing. If there is NO SELECTIVE SURVIVAL based on shell thickness within a population of snails, what happens to shell thickness in response to crab predation?The average shell thickness increases within each generation, but there is no change in shell thickness from generation to generation.There is evolution by natural selection of shell thickness, and average shell thickness increases every generation.There may be evolution of shell thickness, but not through natural selection and not necessarily toward thicker shells.There is no change in shell thickness within the population.Q6.3. Could individuals of a species look different today than individuals of the same species did many generations ago? Proponents of the adaptation argument argue that individuals adjust and adapt to new situations and conditions, while opponents argue that the population as a whole adapts, which can lead to unforeseen consequences. There is no way to know for sure if individuals of a species could look different today, but it is an interesting topic to consider. Selection acts on variation in ______; however, evolution depends on variation among _______. Explain. c. Humans have similar sets of biological needs d. Humans face simila. The three conditions that must be met for evolution to occur by natural selection are that there must be variation, there must be selection, and there must be inheritance of variation. Are abdominal muscles cut in hysterectomy? A large population of animals is split in two by a physical barrier. If variations or mutations are extreme enough, new species can result. Are humans subject to the same pressures of natural selection as other organisms? Why don't other animals have as many genetic mutations as humans? It is reproductively isolated from other species. Doctors find that a certain type of antibiotic is no longer effective against the type of bacteria it used to kill. Question: could individual of a species look different today than individual of the same species did many generations ago? Humans share the same genetic code with: a. just other vertebrates. Scientists have estimated that there are around 8.7 million species of plants and animals in existence. Discover when homo sapiens arrived and their hominid ancestors, such as australopithecines and Homo erectus. Many animals share similar characteristics with other animals and also share some features with humans. In genetics, two organisms are part of the same population if: \\ a. In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. B. organisms change by acquired characteristics. How are humans related to primates? Could individuals of a species look different today chegg? why or why not? *. Why is it that physical distinction between genders is more evident in humans than it is in other animals, say, a cat? The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . 2 years ago, Posted DDT is an insectieide that was used extensively in the mid-1900s to kill mosquitoes. If mutations arise that affect shell thickness within a snail population, then with crabs present, those mutations:Will result in offspring having thicker shells than their parents.Will result in offspring having thicker or thinner shells than their parents.Will happen because the parents choose to give them to their offspring.Will occur because crabs are present and snails need protection against predation.Q6.4. Discuss at least four characteristic traits of primates that other mammals do not share. Submit your documents and get free Plagiarism report, (Rate this solution on a scale of 1-5 below). Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Autore dell'articolo: Articolo pubblicato: 16/06/2022 Categoria dell'articolo: rockin' the west coast prayer group Commenti dell'articolo: working at charles schwab reddit working at charles schwab reddit What caused us to become so different? What causes variation in a species? Yes, some individuals can change a little and pass those changes on to their offspring. What might scientists say about the human, seal, bird, and bat based on this evidence? In sympatric speciation, groups from the same ancestral population evolve into . If there is NO VARIATION in shell thickness within a population of snails, and no mutations occur, what happens to shell thickness in response to crab predation?Shell thickness does not evolve in the population.Shell thickness evolves for some snails in the population.Shell thickness increases for all snails in the population.Average shell thickness in the population evolves over several generations.Q6.2. To put this another way: all humans have the same genes, yet we do not look alike. These ducks spent time on both land and water. Why or why not? Campagna, L., M. Repenning, L.F. Silveira, C.S. There are many different types available on the market today so make sure you research each one carefully before deciding which ones would work best for your pet. Its individuals appear different from other species. Could individuals of a species look different today than individuals of the same species did many generations ago? There are two layers to physical appearance - genotype and phenotype. For example, if one individual of a species had a mutation that caused them to have red eyes, while the other individuals of the species had the normal allele for eye color, the individual with the mutation would stand out. Humans rely on other organisms for survival; however, all other organisms would be better off without humans. Why is genetic variation so important to evolution? Where the Dark-throated Seedeater has a black throat, for instance, the Marsh Seedeaters throat is white and the Tawny-bellied Seedeaters is the same tawny color as its belly. d. Fertile offspring are produced. Why or why not?Yes, all individuals can change a little and pass those changes on to their offspring.Yes, some individuals can change a little and pass those changes on to their offspring.Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring.No, species do not change even after many A major difference among finch species is in their beaks: both size and shape vary greatly.Assume that a population of one of these finch species is undergoing evolution by natural selection with respect to beak size and shape. Not so, writes Gordon Burghardt, the contemporary study of play finds it in animals from birds to spiders, and help makes sense of why for us humans play can be . Recently, more and more farmers have discovered that their fields have Roundup-resistant pigweed growing along with their crop. Microscopic study of the teeth indicates that he grew up at a growth rate similar to that of a great ape. Variation is the availability of different traits in a population. An ideal solenoid (N1N _ { 1 }N1 turns, length L1L _ { 1 }L1, radius r1)r _ { 1 } )r1) is placed inside another ideal solenoid (N2N _ { 2 }N2 turns, length L2>L1L _ { 2 } > L _ { 1 }L2>L1, radius r2>r1r _ { 2 } > r _ { 1 }r2>r1) such that the axes of the two coincide. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. 20 hours ago, Posted Campagna points out that to a certain degree there may be a cultural element involved, tooa female picks a bird colored like her father or other relatives. A. a) Variation b) Normalization c) Extinction. Human-made tools of prehistoric times 2.5 million years ago show that humans began to memorize information in steps. What are they doing that causes a shift in the gene frequencies for "desirable" traits? Donec aliquet. Merlin Bird ID Can Tell You, published in the journal Science Advances, Repeated divergent selection on pigmentation genes in a rapid finch radiation. How genetically different must a mutated individual be to be considered a different species? Could the stock market crash be prevented? Could individuals of a species look different today than individuals of the same species did many generations ago Why is our DNA so similar to all other living organisms? Q6. Access to over 100 million course-specific study resources, 24/7 help from Expert Tutors on 140+ subjects, Full access to over 1 million Textbook Solutions. His observations of the embryos lead him to conclude that the species share a common ancestry. The genotype that an individual possesses for a trait, in turn, determines the phenotype the observable characteristicssuch as whether that individual actually ends up with straight, wavy, or curly hair. Yes, all individuals can change a little and pass those changes on to their offspring. Are humans subject to the same pressures of natural selection as other organisms? Yes, some individuals can change a little and pass those changes on to their offspring. Q5. I'm watching with my students! O No, species do not change even after many generations, so individuals of the same species would not look different. Submit, Explore over 16 million step-by-step answers from our library, , dapibus a molestie consequat, ultrices ac magna. What are the characteristics that all mammals have in common? The smallest and largest snails would be the most likely to reproduce. \\ c. They have the same phenotype. How can making good decisions help people? For example, when humans first migrated to North America, they were faced with a new environment with different plants and animals. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Do monkeys vary in similar ways? How genetically different must a mutated individual be to be considered a different species? What is the difference between humans and chimps? Consider a population that lacks variation and no individual has any advantageous traits. If we share 99% of the DNA of a chimpanzee, why are we so different than the chimpanzee? But if the malesor the preferences of the femaleswere to change, the species are still closely enough related that they could probably still mate successfully. a) Yes, all individuals can change a little and pass those changes on to their offspring. d. continental drift. If they are met, natural selection automatically results. Homo sapiens share a common ancestor with primates. A certain species of rodent eats only one type of plant. Genetic drift b. Gene flow c. Mutation d. Natural selection. A. The amount of webbing on a ducks feet is a heritable trait.Q6.8. Consider also that the environment that this organism lives in changes for the worse. Why or why If you're looking for the answer to the question: Could individuals of a species look different today chegg? B) not all mutations are beneficial. Bio diversity refers to every living thing, including plants, bacteria, animals, and humans. How do modern biology, evolution, and natural selection explain why there are differences in innate aptitude in animals (such as there are humans who are smarter than others, some are more artistic than others, etc.)? Happy face spider photos courtesy of Rosemary Gillespie, UC . This is where terms like 'heterozygous' come into play. (a) Two or more unrelated species change independently of each other and the environment in which they live (b) Two or more related species change to become less similar due to living in different environments (c) Two or more. 2) The biological species concept. b. greater the mutation rate will be. In evolutionary terms, thats life in the fast lane. Does the mechanism produce a change in individuals or populations? c. just other multicellular animals and plants. Traits must be inherited from one generation to the next. Choose an animal and. Ecologists estimate the size and density of populations using quadrats and the mark-recapture method. Could individuals of a species look different today than individuals of the same species did many generations ago? There must be a sudden environmental change. In what ways is domestication (selection by humans) similar to natural selection, and in what ways is it different? Q6. c) Yes, some. e. all living organisms, with just a few exceptions. People who are heterozygous for the sickle-cell allele: Are not susceptible to either sickle-cell anemia or malaria. There are a number of factors that could affect whether a species evolves. Species have changed and continue to change over time because of their environment, genetics, and reproduction. New species can eventually emerge with all these new adaptations over generations. It's very important, and theoretically you could have a race where everyone has the same genotype for physical appearance. A) sodium ions Pellentesque dapibus, congue vel laoreet ac, dictum vitae odio. Yes, all individuals can change a little and pass those changes on to their offspring Yes, some individuals can change a little and pass those changes on to their offspring Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring No, species do not change even after many generations, so If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. To put this another way: all humans have the same genes, yet we do not look alike. Thoroughly describe an example of each mechanism. Proposals that one type of animal, even humans, could descend from other types of animals, are known to go back to the first pre-Socratic Greek philosophers. No, species do not change even after many generations, so individuals of the same species would not look different. Which genes are different among species is more important than just the number of genes that are different., Available for everyone,funded by donors like you. Describe what has most likely happened over time to lead to this. b. Could individuals of a species look different today than individuals of the same species did many generations ago? c. Its populations can interbreed. Is it possible that two different species, either by chance or natural selection, evolve to be the same species? Explain how animal behaviors, including human behaviors, are governed by genetic inheritance. In what ways is culture similar between human and nonhuman primates? B. Horned lizards use their horns to defend against predatory birds. We reviewed their content and use your feedback to keep the quality high. While it took more than 2 million years for Darwins finches to evolve into their present forms, nine capuchino species (in the genus Sporophila) have appeared in the last 500,000 to 1 million years. Why or why not?Yes, all individuals can change a little and pass those changes on to their offspring.Yes, some individuals can change a little and pass those changes on to their offspring.Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring.No, species do not change even after many Donec aliquet, View answer & additonal benefits from the subscription, Explore recently answered questions from the same subject, Test your understanding with interactive textbook solutions, Biology Today and Tomorrow with Physiology, Biology Today and Tomorrow without Physiology, Campbell Essential Biology with Physiology. For example, if a species of fish was only exposed to freshwater, they might look different than if they were exposed to saltwater. What are the general characteristics of animals? Pellentesque dapibus efficitur laoreet. From the Autumn 2017 issue of Living Bird magazine. Human childhood is much longer than that of other animals; therefore, other animals rely only on their genetic information. 3 days ago. a) Yes, all individuals can change a little and pass those changes on to their offspring. Difficulties with Darwin's concept tempted a number of people to try to redefine species by means of interbreeding. To know more check the Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. All living species de. B. environment and acquired characteristics will no affect populations, only individuals C. natural selection c. Since humans evolved, where are all the other human variations resulting from random genetic mutations? What does the pattern of genetic variation in modern human tell us about the origin and spread of homosapiens? Q6.5. A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. Does the question reference wrong data/reportor numbers? There must be a sudden environmental change. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. Will evolution occur if there is no variation in a population, if the only variation is acquired and not inherited or if all progeny survive and equally reproduce? Why does natural selection occur more in animals than humans? Yes, all individuals can change a little and pass those changes on to their offspring Yes, some individuals can change a little and pass those changes on to their offspring Yes, some individuals with certain traits are. Different finch species live on different islands. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. I will post some . B. Yes, all individuals can change a little and pass those changes on to their offspring. Why are there more species of insects than mammals and birds? This is because the different environments would cause different changes in the fish's appearance. could individuals of a species look different today. Why do plants and animals differ with regards to their development and how, Theories about why human universals exist suggest all of the following except: a. Reduction of the burning of fossil fuels (coal). How does the human body's molecular system differ from dogs? What are the 2 main reasons for variation between organisms of the same species? Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. A few years went by without much rain, and the only species of tree that survived had large seeds. Olfspring must be similar to their parents due to shared genes. Morphology is how an individual looks. Q6.5. If humans evolved from a common ancestor we share with monkeys, why do we have such broad variations in physical features across our species (i.e. Could a solenoid suspended by a string be used as a compass? Choices (a) and (b) are incorrect because acquired changes in individuals are not commonly passed on to the next generation. - Theory of Evolution & Natural Selection. 2007-2023 Learnify Technologies Private Limited. All humans carry the same genes. If monkeys and humans evolved from a common ancestor, why did we evolve differently? Could individuals of a species look different today than Why or why not? There must be a predator preying on the species. Why are humans so genetically similar? E) urea. They were therefore able to eat aquatic plants and get enough food to survive and reproduce.Ducks with more webbing were better at eating aquatic plants than ducks with less webbing, so the ducks with more webbing survived and reproduced better than ducks with less webbing.Ducks with less webbing needed to grow more webbing in their feet in order to improve their access to aquatic plants, which allowed them to survive better and reproduce more.Q6.10. Plants and animals do not share a common multicellular ancestor. Evolutionary changes occur when ________ acts upon populations containing individuals with genetic differences. In this position, she presents the maximum cross-sectional area and thus maximizes the air-drag force on her. The light moths declined in number and the dark colored moths increased in number. Could individuals of a species look different today than individuals of the same species did many generations ago? Humans all share the same cultural knowledge and beliefs. Members from different species are not able to give rise to viable offspring. 1 See answer Advertisement Harshtsingh Yes, all individuals can change a little and pass those changes on to their offspring. Which of the following is TRUE about how environmental conditions have changed since the time life began on earth? This allows the farmers to spray their fields to get rid of weeds without harming their crops. How are the striking similarities among genes that govern development in widely differing species strong evidence for evolution? why or why not? Could individuals of a species look different today chegg. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Are 2 methylpentane and 3 methylpentane position isomers? Be as specific as possible. Could individuals of a species look different today than individuals of the same species did many What causes variation in a species? To continue further with th. Why do humans, animals, and plants have to evolve reproductive function? I first wrote about these profound issues in the MIT Tech Review seventeen years ago, and today's piece expounds, expands and updates the inscrutability of AI into the philosophical, geopolitical, sociological and hermeneutical domains, as we spawn a novel crucible of metacognition. What is an example of a genetic mutation that created a new species in the modern era that humans have documented? c. natural selection. Could a roman legion defeat a medieval army? How does competition among humans differ from competition in other animal species? In evolution, why is it important that individuals vary from each other? Why or why not? Why? Are humans particularly self-destructive when compared to other animals? Could individuals of a species look different today than individuals of the same species did many generations ago? Which of the following histograms show the correct representation of the snail shell thickness data 4, 7, 2, 5, 4, 3? Could individuals of a species look different today than individuals of the same species did many generations ago? Lore
Which of the following is an example of genetic engineering? a) Yes, all individuals can change a little and pass those changes on to their offspring. Why does natural selection only act on heritable variation? In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation. Why are these genes similar but not identical? A surprisingly small population could save our species.What Happened To Judy Laterza,
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