could individuals of a species look different today

Q6.5. Why do humans have some genes in common with bacteria, more genes in common with fish, and even more genes in common with mice? Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population?A few mosquitoes in the population were resistant to DDT before it was ever used.Mosquitoes in the population learned to adapt to the high levels of DDT in the environment.The mosquito population needed to evolve DDT resistance in order to avoid extinction.Exposure to DDT caused specific, nonrandom mutations for DDT resistance within the population.Use the following passage to answer the next two questions.Ducks are aquatic birds. Which kinds of animals are most different from each other: humans or chimpanzees? How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. What will most likely happen to the population in terms of natural selection? Are all americans equally able to become engaged in government what factors make it more possible fo? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. 2. Get plagiarism-free solution within 48 hours. Does the question reference wrong data/reportor numbers? How does genetic variation help a population survive in the face of changing, uncertain environments? Nam risus ante, dapibus a molestie consequat, ultrices a. Question Could individuals of a species look different today than individuals of the same species did many generations ago? Do any monkey species have different races similar to humans? Why are there more species of insects than mammals and birds? But actually 6 million people have died of COVID. She couldn't decide if she wanted a Poodle or a Siberian Husky. Explain! Which is important for evolutionary change and why? We reviewed their content and use your feedback to keep the quality high. Their songs are different, too. Become a Study.com member to unlock this answer! How is this best explained? Could two genetically perfect humans have all the genetic diversity needed for a species? Human-made tools of prehistoric times 2.5 million years ago show that humans began to memorize information in steps. Could individuals of a species look different today than individuals of the same species did many generations ago? c. natural selection. Here's how it works. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Are 2 methylpentane and 3 methylpentane position isomers? Lorem ipsum dolor sit amet, consectetur adipiscing elit. Could individuals of a species look different today than individuals of the same species did many generations ago? b. just other multicellular animals. There is no definitive answer to this question, but there are some interesting theories that can be considered. A) Species with low genetic variation go extinct. 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 How are these two copies similar? d) No, species do not change even after many generations, so individuals of the same species would not look different. Select the correct statement(s) that justifies how he arrived at this conclusion. Learn about capuchino evolution in this short video and article from the New York Times. Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? Explain why the visual perceptions that other animal have and why that sensory input would vary and be differ from our own vertebrate visual system. To put this another way: all humans have the same genes, yet we do not look alike. Why or why not? ago? By what mechanisms have we evolved into distinct species? This can reflect many initiatives as 222 can express the need to redirect personal patterns of behavior, drastically, which will automatically change a personal course, or current trajectory. d. Fertile offspring are produced. Was P. robustus a human? Explain. Could individuals of a species look different today than individuals of the same species looked many generations ago? While webbed feet were evolving in ancestral ducks, with each generation:Most ducks had about the same amount of webbing on their feet as their parents.Most ducks had more webbing on their feet than their parents.Most ducks had less webbing on their feet than their parents.The amount of webbing on ducks feet had no relationship with the amount their parents had.Q6.9. Changes in evolutionary pathways are related to changes in gene structure and changes in cultural evolution. To do this they have inserted a new segment of DNA where the mutated DNA was. DDT is an insectieide that was used extensively in the mid-1900s to kill mosquitoes. Fusce dui lectus, congue v, e vel laoreet ac, dictum vitae odio. All living species de. 1. Nam lacinia pulvinar tortor nec fiscing elit. Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is rearranged as a cell is getting ready to divide (known as genetic recombination). People who are heterozygous for the sickle-cell allele: Are not susceptible to either sickle-cell anemia or malaria. Yes, when the environment changes, individuals with certain inherited traits survive and will be able to reproduce. This is an example of a. sympatric speci, How are humans evolving today? Some organisms may be very closely related, even though a minor genetic change caused a major morphological difference to make them look quite different. If you're looking for the answer to the question: Could individuals of a species look different today chegg? Yet why do some races seem to have darker (or lighter) skin tones than others? What is the connection between the size of a snail and their ability to reproduce, when around birds? Posted Why or why not? 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.)? Why is it that humans have three different blood groups: A, B, and O? 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. Because scientists are witnessing capuchino finch evolution in mid-stride, the outcome is still a mystery. You can specify conditions of storing and accessing cookies in your browser. Course Hero is not sponsored or endorsed by any college or university. Fontana, P.L. Q5. . Natural Selection is an example of a mechanism of evolution. A farmer takes pollen from a plant with desired traits and intentionally places the pollen on a plant with other desired traits. Yes, all individuals can change a little and pass those changes on to their offspring. How genetically different must a mutated individual be to be considered a different species? How do you capture a snapshot of evolution as its happening? A. Scientists have found large groups of fossils of marine animals on mountaintops. 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit. copyright 2003-2023 Homework.Study.com. C. Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume. The new study identified all the points of difference for nine capuchino species, with a surprising result. How is knowing how an animal develops important to determining its common ancestor? By the year 2000, the graph shows the population of light colored moths significantly increasing. Why are humans so different from other animals? A food source must disappear. Some populations are innately superior to others, because they have what it takes to prevail in those environments. The graphs below represent her findings.What can you conclude from the researchers results?The hypothesis that longer horns offer greater protection against predation is supported.The hypothesis that longer horns offer greater protection against predation is NOT supported.The experiment is well designed, but the results are inconclusive about the hypothesis.The experiment is not well designed to test the hypothesis. The light moths declined in number and the dark colored moths increased in number. There is similar variety for wings and head color, creating an almost mix-and-match effect when the species are viewed side by side. Why is it that chimpanzees have 99% the same DNA as humans, yet the one percent distinguishes us to such a degree? For this topic, please briefly compare and contrast microevolution and macroevolution. Could individuals of a species look different today than individuals of the same species did many generations ago? Numerous species in the same region must have recently become extinct. (b) Which is important for evolutionary change and why? The left arm of a human, the front flipper of a seal, the wing of a bird, and the wing of a bat have the same structure and order of bones. From one ancestral species that colonized the remote island chain, many new finch species evolved with differently sized and shaped beaks to exploit the foods available. A species is a population of plants or animals that can breed to produce offspring that can then produce offspring themselves. Q6.5. 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 Explain why only populations evolve but individuals do not. Could the stock market crash be prevented? What are the differences between a monkey and a human? c) Yes, some. What is the reason for the phenotypic differences between individuals of the same species? Q6.5. (I am of the assumption that changes in DNA spur the adaptations that take place--at least those through genetic mutation--and thus the adaptations, In what way is artificial selection different from natural selection? Question Could individuals of a species look different today than individuals : 425869. Popcornflix is a free over-the-top streaming service out there within the US and Canada. A 50.0 mL sample of drinking water was found to contain 1.25 \mug of arsenic. Lovette. What is the difference between genetic diversity and genetic variation? 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 D) amino acids Mutation does not always affect the evolution of a species because A) not all mutations are inherited. C. Variatio. Why didn't other animals evolve to become closer to humans in intelligence? Q6.5. Most people today would classify such forms as different species, and none of these sibling species mate with one another in normal circumstances. Module 3: Fine-Tuning Your Results As you would correctly imagine, while AI generated text is often really good, it also gets things wrong at times. What caused us to become so different? Why or why not? Nam lacinia pulvinar tortor nec facilisis. The smallest and largest snails would be the most likely to reproduce. We store cookies data for a seamless user experience. Ecologists estimate the size and density of populations using quadrats and the mark-recapture method. Q5. B. organisms change by acquired characteristics. Why or why not? Owned by the same company as Crackle, it's full of low-budget style films. (a) What additional genetic factors increase the resemblance between siblings? All information of this website is published in good faith and for general information purposes only. b. greater the mutation rate will be. Why or why not? Bio diversity refers to every living thing, including plants, bacteria, animals, and humans. In animals generally, how much variation do you expect to see within as compared to between different races of a single species? Could individuals of a species look different today than individuals of the same species did many generations ago? There is some debate over whether individuals or the population adapt to change. Q6.5. Some force other than environmental conditions must be acting upon the males to produce so many species. Morphology is how an individual looks. 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. Could individuals of a species look different today than individuals of the same species looked many generations ago? It takes a long time for an individual to adapt to its environment. Are age and gender independent variables? How can similar types of genetic mutation occur in different individuals of the same species? Scientists have estimated that there are around 8.7 million species of plants and animals in existence. Many years ago, more than 13 different species of birds migrated to the islands. CHOOSE ALL THAT APPLY! Describe a study an evolutionary biologi. a) Yes, all individuals can change a little and pass those changes on to their offspring. Provide an example of conve. Many animals share similar characteristics with other animals and also share some features with humans. Mice & Keyboards. Why or why not? Using one of these four ideas, explain why you do not look like another person in this room. Individual differences with a genetic basis lead to in successive generations. Why is our DNA so similar to all other living organisms? Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. For the past 10 to 25 years, farmers have planted crop seeds that have been genetically modified to withstand treatment with a common weed killer called Roundup. Which of the following is NOT a potential benefit of genetic engineering? Why are there such large differences in the diversity within a clade? What does. They were made famous by Charles Darwin, who developed his theory of evolution in part by studying the birds. If a species is evolving, when is it considered a new species different from the organism it evolved from? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Pellentesque dapibus efficitur laoreet. 9 months ago, Posted Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Happy face spider photos courtesy of Rosemary Gillespie, UC . c. just other multicellular animals and plants. This is because the mutation would be passed down to future generations, and over time, the appearance of the species would change. Why are there so many different ways to define a species? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Take note of any potential side effects associated with these supplements too - some ingredients could cause allergic reactions or digestive problems if taken in excess amounts, so . Evolutionary changes occur when ________ acts upon populations containing individuals with genetic differences. Lore

Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. There are two layers to physical appearance - genotype and phenotype. The differences consistently fell in areas near color genes in sections of the genome once considered junk. Scientists have since learned that these areas of the genome, which once appeared to have no purpose, can play crucial roles in regulating genes and modifying their effects. Donec aliquet. Calculate the concentration in units of ppb and determine whether the sample exceeds the legal limit of 10.0 ppb. Explain how animal behaviors, including human behaviors, are governed by genetic inheritance. A. environment and acquired characteristics will not affect populations, only individuals B. no way to pass environment or acquired characteristics to offspring, only genes C. heritable variat. b. mutation. If variations or mutations are extreme enough, new species can result. Why does natural selection only act on heritable variation? Q6.5. C. Variatio. How does the human epidermal layer differ from that of other animals such as dogs and cats? Why does diversity between individuals and between species create problems for determining what is a species and what is a variant? B. Did doc holliday actually shoot johnny ringo? Which adaptation described below probably does not protect the plant from being eaten by herbivores? It is reproductively isolated from other species. She met with a dog breeder who said that they could breed a dog for Miriam that had the best traits from both breeds. Why don't other animals have as many genetic mutations as humans? Variation in traits that affect which individuals survive and reproduce in each generation is called: a. fatalism b. genetic engineering c. morphology d. catastrophism e. natural selection. Thoroughly describe an example of each mechanism. Could you please spare some time meaning? Lorem ipsum dolor sit amet, consectetur adipiscing elit. why did dinosaurs evolve earlier than humans? Why do all animals, both vertebrates and non-vertebrates, share the same hox genes? Why or why not? Q7. Are abdominal muscles cut in hysterectomy? offspring. How can making good decisions help people? Humans share common biological constraints b. The amount of webbing on a ducks feet is a heritable trait.Q6.8. A mutation is harmful to an organism if it. Humans have genetic diversity than chimpanzees. A few years went by without much rain, and the only species of tree that survived had large seeds. Do monkeys vary in similar ways? On average, what effect does genetic drift have on the differences between populations? copyright 2003-2023 Homework.Study.com. How genetically different must a mutated individual be to be considered a different species? 2. a. What makes modern humans (Homo sapiens) unique in terms of our biological and cultural adaptations? A million years ago, there were probably a few different species of humans around, including Homo heidelbergensi s, which shared similarities with both Homo erectus and modern humans, but more primitive anatomy than the later Neanderthal. Could pitcher plants genetically evolve or mutate to become similar to small carnivorous animals in the coming years (100, 200 or even 1,000)? All other trademarks and copyrights are the property of their respective owners. Why would competition between two animals of the same species likely be more intense than competition between two animals of different species? Experts are tested by Chegg as specialists in their subject area. It's not clear based on the DNA evidence whether the 13 species arose from a single migration of one species or multiple migrations of several species from the mainland to the islands. Explain. Mosquitoes in the population learned to adapt to the high levels of DDT in the environment. 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. Could individuals of a species look different today than individuals of the same species did many generations ago? a. the development of traits that organisms need in order to become more complex b. gene changes in populations over many generations c. the change that occurs in individuals as they try to survive in their environment d. the. There are a number of factors that could affect whether a species evolves. The central ideas of evolution are that life has changed over time and different species share common ancestors. Explain the mechanisms of genetic variation. Campagna, L., M. Repenning, L.F. Silveira, C.S. They were more muscular than we were and they had bigger brains than we did (or do today). Every plant or animal belongs to a species. Yes, all individuals can change a little and pass those changes on to [] 2. To test this hypothesis, the researcher tagged 20 lizards with long horns and 20 lizards with short horns in each of two locations: Desert Valley, where there are no predatory birds, and Cactus Corner, where there are predatory birds. Gene flow, the movement of alleles across a species' range, is relatively free because individuals can move and then mate with individuals in their new location. Explain why only populations evolve but individuals do not. We will look at multiple ways to update your . 1. (a) Do humans experience interspecific competition? 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. Discuss at least four characteristic traits of primates that other mammals do not share. Was the final answer of the question wrong? A surprisingly small population could save our species. Why are humans so genetically similar? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. (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. Biologists believe that ducks evolved from land birds that did not have webbed feet. One or more species must have recently been introduced to the region. a. d. just other eukaryotes. Q6. What are the 2 main reasons for variation between organisms of the same species? What species are humans today? Learn about Charles Darwin's background, what theory he is known for, and what natural selection is. Transitional fossils show that the ancestral horse was much smaller than the modern horse. Createyouraccount. so you can get an accurate answer to your question. Fusce dui lectus, congue vel laoreet ac, d, congue vel laoreet ac, dictum vitae odio. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. individuals of the same species did many generations ago? His observations of the embryos lead him to conclude that the species share a common ancestry. No, species do not change even after many generations, so individuals of the same species would not look different. But we are much more alike than we are different. Pellentesque dapibus efficitur laoreet. How do genetic modification variations likely differ from genetic sexual reproduction variations? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Why is it that a population is the unit of evolution rather than the individual? 2017. Why do humans try to save and treat every human life while other creatures are selected by natural selection? Pellentesque dapibus efficitur laoreet. Biologists believe that new species evolve from existing species by a process called natural selection. Which form of gene technology would be the best for this example? Individuals of the same species generally \\ experience prezygotic barriers to reproduction. This site is using cookies under cookie policy . At an early stage of development, both species have the same embryonic tissues, but it disappears in one of the species at a later time. This can result from random processes called genetic drift, or a more adaptive mechanism called natural selection. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands seve Q: Q6.5. The birds with larger beaks were better at eating the large seeds, so only the birds with larger beaks got enough food to survive, reproduce, and pass the trait of large beaks to the next generation. 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. Discuss at least four differences between apes and humans. What is the reason for the phenotypic differences between individuals of the same species? c. A change in heritable traits over time occurs at. To put this another way: all humans have the same genes, yet we do not look alike. Are humans subject to the same pressures of natural selection as other organisms? There is fossil evidence that this . a) Yes, all individuals can change a little and pass those changes on to their offspring. Be s. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Explain why a single human body is considered to be a mega-diverse ecosystem. Theyre very easy to distinguish. (Listen to recordings from our Macaulay Library archive: Dark-throated Seedeater, Marsh Seedeater, and Tawny-bellied Seedeater.). Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today? Why or why not? How fast can tarantulas move? Now, it doesn't reach the same kind of headlines because there's many different infections and different parts of the body and different bacteria. Are humans particularly self-destructive when compared to other animals? The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . Why or why not? a. populations; individuals b. genes; traits c. plants; animals d. traits; genes. What changes occur gradually over time that indicate the population is evolving?Within their lifetimes, some individual finches beaks change in size or shape.The proportions of finches having different beak sizes/shapes change across generations.Each finchs learned ability to use its beak is automatically passed on to its offspring.All finches in each new generation develop the same new, improved beak size and shape.Q6.5. Fusce dui lect, , dictum vitae odio. Difficulties with Darwin's concept tempted a number of people to try to redefine species by means of interbreeding. Why or why not? Why is genetic variation so important to evolution? Which is important for evolutionary change and why? Some scientists believe that the answer is yes, while others believe that the answer is no. Q7. b)Yes, some individuals can change a little and pass those changes on to their offspring. b) Yes, some individuals can change a little and pass those changes on to their offspring. David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, BioEffRad-StudyGuide2019-Section7- Models of. The bacteria have become resistant over several generations. offspring. Over time, the appearance of a species can change through evolution. Could individuals of a species look different today than individuals of the same sspecies did many generations ago? Does the mechanism produce a change in individuals or populations? Why do humans share lots of DNA with both rats and bananas when each of these are very different things? Variation is the availability of different traits in a population.

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