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or nec facilisis. How are humans able to affect and alter the phenotypes of other organisms through artificial selection? Two major equations of hardy-weinberg rule are: p2 + 2pq + q2 = 1 p + q = 1 The p and the q represent the allele frequencies for Happy and Sad respectively. Variation allows some individuals to do better than others, so those variations are selected. TUCKER CARLSON: One thing we have learned after many years in the news business is that every once in a while you've got to eat some crow and admit that despite your best intentions, you were . Over time, the appearance of a species can change through evolution. Why is it harder for human babies to be delivered than other animals? In biology, what is an adaptation? Miriam wanted a new pet. How is knowing how an animal develops important to determining its common ancestor? 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. What is a distinguishing factor that separates mammals from other animals? In contrast, humans have many more microRNA molecules (miRNAs) than these animals. How genetically different must a mutated individual be to be considered a different species? What is the reason for the phenotypic differences between individuals of the same species? In evolution, why is it important that individuals vary from each other? O Yes, some individuals can change a little and pass those changes on to their offspring. For example, a shark uses its electrosensory and olfactory organs predominately to interact with its environment, whereas primates are heavily dependent upon vision. why or why not? Select the correct statement(s) that justifies how he arrived at this conclusion. Nam lacinia pulvinar tortor nec facilisis. They would do this by breeding a Poodle with a Husky. 9.) Learn about capuchino evolution in this short video and article from the New York Times. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring. Anaximander of Miletus (c. 610546 BC) proposed that the first animals lived in water, during a wet phase of the Earth's past, and that the first land-dwelling ancestors of mankind must have been born in water, and only spent part of . A disease attacks those plants and wipes them out. There are a number of factors that could affect whether a species evolves. Now, another group of South American finches known as capuchino seedeaters is helping scientists learn about how, and how fast, evolution works. If a species is evolving, when is it considered a new species different from the organism it evolved from? Fusce dui lectus, c, Explore over 16 million step-by-step answers from our library, 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. In Module 2 we will dive deep into 3 different AI writing programs to see how each one works and how they can best serve you in your writing endeavors. \\ e. They are the same species and a. Could individuals of a species look different today than individuals of the same species did many generations ago? The male finches are the same shape and size but wear different combinations of about five colors. 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. By the year 2000, the graph shows the population of light colored moths significantly increasing. Which of the following is an example of genetic engineering? What species are humans today? How can making good decisions help people? Natural Selection is an example of a mechanism of evolution. those traits on to their offspring. For example, these happy face spiders look different, but since they can interbreed, they are considered the same species: Theridion grallator. There are some phenotypic differences among human populations that reflect adaptation to different environments. Variation allows some individuals to do better than others, so those variations are selected. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. The different color genes could be turned on at a certain time, or turned off, be slightly on, or slightly off. As in all species, there is variation among individual human beings, from size and shape to skin tone and eye color. b. What are the similarities and differences between humans and other mammals such as monkeys and apes? Today's AI opinion piece by Kissinger, Schmidt & Huttenlocher is wonderfully thought-provoking. Yes, all individuals can change a little and pass those changes on to their offspring. What causes variation in a species? B) glucose Does the question reference wrong data/reportor numbers? Mice & Keyboards. A farmer takes pollen from a plant with desired traits and intentionally places the pollen on a plant with other desired traits. 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. How are the striking similarities among genes that govern development in widely differing species strong evidence for evolution? What does the pattern of genetic variation in modern human tell us about the origin and spread of homosapiens? The number of this type of rodent will decrease. What is the reason for the phenotypic differences between individuals of the same species? There must be a sudden environmental change. Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. d. continental drift. Assume that a population of one of these finch . How does evolution occur in a species? There must be a predator preying on the species. Why are there so many species of monkeys but only one species of human? 2003-2023 Chegg Inc. All rights reserved. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Why or why not? offspring. Why or why not? On demand UK streaming service with common turnover of in style free movies. 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. 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 2. Why or why not? B. All information of this website is published in good faith and for general information purposes only. Donec aliquet. The amount of webbing on a duck's feet is a heritable trait. Why or why not? Fusce dui lect, , dictum vitae odio. 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? A population is a group of individuals of the same species. Explain why monotremes are unique mammals. Be as specific as possible. In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. The mosquito population needed to evolve DDT resistance in order to avoid extinction. Could individuals of a species look different today than individuals of the same species did many generations ago? In animals generally, how much variation do you expect to see within as compared to between different races of a single species? They can help us get to the root of how biological diversity has evolved. Campagna and collaborators were the first to show that this finch radiation is relatively recent and still ongoing. How has evolutionary biology demonstrated that adaptations arise through selection acting on genetic variation? Over many generations, more beneficial traits will become more _____ since the organisms with those traits are better able to survive and _____. Why or why not? A scientist is studying embryos from two different species. Are abdominal muscles cut in hysterectomy? 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 . When I was studying nutrition and soil management over 20 years ago, produce could already be classified as "franken-food". Choices (a) and (b) are incorrect because acquired changes in individuals are not commonly passed on to the next generation. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Be sure to discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation. offspring. 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. Biologists believe that ducks evolved from land birds that did not have webbed feet. Why does natural selection occur more in animals than humans? The new study identified all the points of difference for nine capuchino species, with a surprising result. All living species de. 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 can everyone alive today be the same species if not all populations today have Neanderthal DNA while some people have up to about 4% Neanderthal DNA? 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. Get plagiarism-free solution within 48 hours. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. For example, when humans first migrated to North America, they were faced with a new environment with different plants and animals. 11 months ago, Posted Createyouraccount. C. Variatio. why did dinosaurs evolve earlier than humans? Which of the following histograms show the correct representation of the snail shell thickness data 4, 7, 2, 5, 4, 3? Peppered moths have wings that vary in color, ranging from white to dark gray. b. greater the mutation rate will be. What are the 2 main reasons for variation between organisms of the same species? ago? The most well-known example is a group of more than a dozen finch species in the Galapagos. Why is it that physical distinction between genders is more evident in humans than it is in other animals, say, a cat? Variation is the availability of different traits in a population. Why are humans so genetically similar? What makes humans so different from the rest of the species on the planet? Which of the following is REQUIRED for the pricess of evolution by natural selection to occur? Explain why only populations evolve but individuals do not. Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. These ducks spent time on both land and water. Explain. Explanation: Species evolve over time scales/generations, and individuals that possess traits that are advantageous in the current environment can live at a higher frequency and transfer those advantageous traits on to their offspring. a. Many years ago, more than 13 different species of birds migrated to the islands. Explain some reasons why humans have been able to expand in number and distribution to a greater extent than most other animals. 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. Which of the following explains what might happen next? This problem has been solved! Are humans subject to the same pressures of natural selection as other organisms? What are the characteristics that all mammals have in common? The descendants would look the same as the original individuals because species do not change. Yes, all individuals can change a little and pass those changes on to their offspring. Could individuals of a species look different today chegg. Could individuals of a species look different today than individuals of the same species did many generations ago? Thats because females of all the capuchino species look identicalits often impossible to tell them apart, even in the hand. If variations or mutations are extreme enough, new species can result. This allows the farmers to spray their fields to get rid of weeds without harming their crops. If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. Explain. 2. Could individuals of a species look different today than individuals of the same species did many generations CHOOSE ALL THAT APPLY! Show more Privacy Policy. The three conditions for natural selection are variation, selection, and reproduction. b) Yes, some individuals can chang; What is the difference between humans and chimps? However, humans still have significant differences with every species that exists on Earth. (b) Which is important for evolutionary change and why? Nam risus ante, dapibus a molestie consequat, ultrices a. b. 1. Evolutionary changes occur when ________ acts upon populations containing individuals with genetic differences. Different finch species live on different islands. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Would you expect the DNA of the goat to be more similar to? Its rather like two cooks using the exact same ingredients for spaghetti sauce, but using a different recipe, varying when and how much of each ingredient is added, so the two sauces taste quite different. Donec aliquet. \\ have many common physical and behavioral characteristics. A food source must disappear. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. 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 Could individuals of a species look different today than individuals of the same species did many generations ago? A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. Why are there more species of insects than mammals and birds? Why or why not? Finally, the two species would need to be unable to interbreed. What really fascinates him is how male capuchinos can look and sound very different across species, despite being almost identical genetically. Which kinds of animals are most different from each other: humans or chimpanzees? There must be a sudden environmental change. 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. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Are humans exempt from natural selection because of the technological nature of our society? A. Why are animals shaped differently in cooler climates than in warmer ones? Campagna thinks that force comes from females as they choose among competing males based on color and song. \\ b. There are at least 4 different ways that humans have genetic variation, a. Could two genetically perfect humans have all the genetic diversity needed for a species? Fontana, P.L. What is culture and how does culture differ between human and nonhuman primates? Question Could individuals of a species look different today than individuals of the same species did many generations ago? DDT is an insectieide that was used extensively in the mid-1900s to kill mosquitoes. Explain why a single human body is considered to be a mega-diverse ecosystem. Pellentesque dapibus efficitur laoreet. Q6.1. Repeated divergent selection on pigmentation genes in a rapid finch radiation. Play is dismissed as a human projection or as functional practice for adulthood that only 'higher" mammals are capable of. races)? Most ducks had more wobbing on their foet than their parents. Nam lacinia pulvinar tortor nec fiscing elit. Yes, some individuals can change a little and pass those changes on to their offspring. 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 . What is the scientific reason why people around the world have different skin colors? Mutation does not always affect the evolution of a species because A) not all mutations are inherited. Discover when homo sapiens arrived and their hominid ancestors, such as australopithecines and Homo erectus. C. Do different species start with a genetic mutation? Scientists have estimated that there are around 8.7 million species of plants and animals in existence. A few mosquitoes in the population were resistant to DDT before it was ever used. Its possible that in these rapid radiations, whats changing is when and how much of these ingredients are being added.. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands seve Q: Q6.5. Explain why only populations evolve but individuals do not. In what ways is the human brain different from other species (non-primate and non-human primate)? All rights reserved. There are at least 4 different ways that humans have genetic variation, a. 1) Yes, all ind. Some populations are innately superior to others, because they have what it takes to prevail in those environments. We are, in fact, remarkably similar. Could individuals of a species look different today than individuals of the same species did many generations ago? (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? \\ c. They have the same phenotype. b)Yes, some individuals can change a little and pass those changes on to their offspring. What are possible reasons for t, Different species of animals rely more heavily on different senses. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. If so, why did we evolve this way? a) Yes, all individuals can change a little and pass those changes on to their offspring. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Why? What is biological evolution? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Homo sapiens share a common ancestor with primates. The most complete fossil individual of this species is known as the 'Turkana Boy' - a well-preserved skeleton (though minus almost all the hand and foot bones), dated around 1.6 million years old. Why or why not? Yes, all individuals can change a little and pass those changes on to their offspring. What is an example of a genetic mutation that created a new species in the modern era that humans have documented? Why is it necessary to take enough time before making a decision? To continue further with th. Why are there such large differences in the diversity within a clade? Bio diversity refers to every living thing, including plants, bacteria, animals, and humans. How do humans influence animal evolution? What is genetic recombination? Pellentesque dapibus efficitur laoreet. How are humans related to primates? 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. Give a reason why animals must be classified. Which adaptation described below probably does not protect the plant from being eaten by herbivores? She met with a dog breeder who said that they could breed a dog for Miriam that had the best traits from both breeds. c. A change in heritable traits over time occurs at. But we are much more alike than we are different. Reduction of the burning of fossil fuels (coal). 6. 1. Yes, some individuals can change a little and pass those changes on to their offspring. Skin color is not directly tied to race. 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. All rights reserved. Fusce dui lectus, congue v, e vel laoreet ac, dictum vitae odio. Humans and chimpanzees are estimated to have diverged their evolutionary paths about 5 to 6 million years ago while remaining the same before that period. How are animals that are different species able to reproduce? Get access to this video and our entire Q&A library, Who Was Charles Darwin? No, species do not change even after many generations, so individuals of the same species would not look different. No other species has ever wielded such power, and no species could. The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . What is the most likely explanation of why this antibiotic no longer kills this bacteria? Which is important for evolutionary change and why? How are humans evolving today? Why do humans try to save and treat every human life while other creatures are selected by natural selection? Humans all share the same cultural knowledge and beliefs. Chris Chen, Integrated Vineyard Systems Advisor in Sonoma, Mendocino, and Lake Counties at the University of California Cooperative Extension is exploring solutions to this question. What makes an animal an animal? Why or why not? This indicates that: A. Which of the following statements support the Theory of Evolution? Why or why not? Explain why only populations evolve but individuals do not. 1. c)Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Why or why not? Why do humans, animals, and plants have to evolve reproductive function? In what ways is culture similar between human and nonhuman primates? A characteristic of an organism that can change in res. 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. Are humans particularly self-destructive when compared to other animals? Is it possible that two different species, either by chance or natural selection, evolve to be the same species? Q6.5. 2017. In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. If so, how do modern humans differ from them? 3. Nam lacinia pulvinar tortor nec facilisis. 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 generations, so individuals of the same species would not look different.Q6.6. Which of the following is REQUIRED for the process of evolution by natural selection to occur? What is genetic recombination? Species have changed and continue to change over time because of their environment, genetics, and reproduction. copyright 2003-2023 Homework.Study.com. d. just other eukaryotes. We've gathered the most relevant information and related questions to: Could individuals of a species look different today chegg? What causes variation in a species? 2003-2023 Chegg Inc. All rights reserved. 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 . What qualities or characteristics do you p. Will humans ever evolve into a post-biological species? Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. A skydiver of mass 60.0kg60.0 \mathrm{~kg}60.0kg can slow herself to a constant speed of 90km/h90 \mathrm{~km} / \mathrm{h}90km/h by orienting her body horizontally, looking straight down with arms and legs extended. For example, if a species of fish was only exposed to freshwater, they might look different than if they were exposed to saltwater. A certain species of rodent eats only one type of plant. There is similar variety for wings and head color, creating an almost mix-and-match effect when the species are viewed side by side. The central ideas of evolution are that life has changed over time and different species share common ancestors. Donec aliquet. They were more muscular than we were and they had bigger brains than we did (or do today). Explain. Discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation.