could individuals of a species look different today

The answer to this question is not well understood, but it is thought that a number of things would need to happen in order for one species to change into two species over time. How can this population be expected to change over several successive generations, if the relative fitness differences observed remain unchanged? Could the us have to maintain neutrality in ww1? So we've already got in one year we've already got nearly a sixth of these people dying of this number of people dying. Does the mechanism produce a change in individuals or populations? Every plant or animal belongs to a species. Why or why not? What is the reason for the phenotypic differences between individuals of the same species? This textbook can be purchased at www.amazon.com. Why or why not? 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. Why did monkeys and lions evolve differently in the same environment? 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. If there is NO VARIATION in shell thickness within a population of snails, and no mutations occur, what happens to shell thickness in (Hide this section if you want to rate later). 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. 1. a) Yes, all individuals can change a little and pass those changes on to their offspring. Eric Rieger 0:00 Hello gut check project fans and KBMD Health family, I hope that you are having a great day today to host Eric Rieger soon to be joined by my other host, Dr. Kenn 2003-2023 Chegg Inc. All rights reserved. Why is a convoluted brain better than a smooth one? A farmer takes pollen from a plant with desired traits and intentionally places the pollen on a plant with other desired traits. 1. a) Yes, all individuals can change a little and pass those changes on to their offspring. Most ducks had less webbing on their feet than their parents. This is a question that has been debated for many years. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. 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. But it may be a Herculean task to find out. (opens in new tab) A person walking in the Mojave Desert during the post-apocalyptic Wasteland Weekend festival on Sept. 28, 2019. Why do human bodies look so different across the planet? Do species evolve at a faster rate if they have a larger population due to being more likely to experience genetic mutation? c. Humans have similar sets of biological needs d. Humans face simila. One theory is that individuals of a species could look different today if they were exposed to different environmental conditions. In this sense, a species is the biggest gene pool possible under natural conditions. Be s. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Q5. Why does diversity between individuals and between species create problems for determining what is a species and what is a variant? Yes, some individuals can change a little and pass those changes on to their offspring. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. Which is important for evolutionary change and why? Genetic variations that alter gene activity or protein function can introduce different traits in an organism. All humans carry the same genes. Question: could individual of a species look different today than individual of the same species did many generations ago? What additional genetic factors increase the resemblance between siblings? What are the features of a highly evolved brain? 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. Q6.1. Was P. robustus a human? Why is genetic variation within a species important to conservation? A. Over time, the genetic makeup of the two resulting populations becomes more and more different, until each population becomes a separate species. What is the difference between genetic diversity and genetic variation? 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. 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. Why do humans try to save and treat every human life while other creatures are selected by natural selection? Could individuals of a species look different today than individuals of the same species did many generations ago? There must be a predator preying on the species. Yes, all individuals can change a little and pass those changes on to [] Are there such height differences in the animal kingdom? What might scientists say about the human, seal, bird, and bat based on this evidence? The longer that two populations are kept from interbreeding, the: a. more recessive alleles will be expressed. Individual differences with a genetic basis lead to in successive generations. If so, why did we evolve this way? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Pellentesque dapibus efficitur laoreet. Our experts can answer your tough homework and study questions. Nam risus ante, dapibus a molestie consequat, ultrices a. To put this another way: all humans have the same genes, yet we do not look alike. If so, how do modern humans differ from them? Course Hero is not sponsored or endorsed by any college or university. The latest findings, published in the journal Science Advances, suggest the differences may depend on just a few genes with an outsized role in the evolution of the birds appearance. 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. Our experts can answer your tough homework and study questions. Amid extreme weather events, many grape growers ask themselves what they can do to adapt their vineyard for climate change. Why or why The descendants would look the same as the original individuals because species do not change. offspring. or nec facilisis. Explain. And their choices may not be entirely governed by genetics. (b) Which is important for evolutionary change and why? Numerous species in the same region must have recently become extinct. People who are heterozygous for the sickle-cell allele: Are not susceptible to either sickle-cell anemia or malaria. Answering the following Biology Lab questions.Q6.1. All of the following are protective adaptations except one. Which of the following is REQUIRED for the process of evolution by natural selection to occur? Lorem ipsum, amet, consectetur adipiscing elit. How is this best explained? 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? 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. 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. What does. C) not all mutations cause visible change. The birds' beaks varied in size, with some individuals having slightly smaller beaks and others having slightly larger beaks. Now, another group of South American finches known as capuchino seedeaters is helping scientists learn about how, and how fast, evolution works. Course Hero is not sponsored or endorsed by any college or university. Why or why not? Could pitcher plants genetically evolve or mutate to become similar to small carnivorous animals in the coming years (100, 200 or even 1,000)? why or why not? In evolutionary terms, thats life in the fast lane. b. What is the scientific reason why people around the world have different skin colors? Nam lacinia pulvinar tortor nec facilisis. a)Yes, all individuals can change a little and pass those changes on to their offspring. O No, species do not change even after many generations, so individuals of the What is a distinguishing factor that separates mammals from other animals? Which of the following is REQUIRED for the pricess of evolution by natural selection to occur? If they are met, natural selection automatically results. A) sodium ions Why or why not? To do this they have inserted a new segment of DNA where the mutated DNA was. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Discuss at least four characteristic traits of primates that other mammals do not share. B) Low levels of genetic variation may make hybrid species more likely, so neither species will go extinct. All rights reserved. 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. Could individuals of a species look different today than individuals of the same species did many generations ago? The theory of evolution states: A. better-adapted organism reproduces at a higher rate. Reduction of the burning of fossil fuels (coal). offspring. 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. 1. During the Industrial Revolution through the mid-20th century, factories and power plants, which burned coal, produced large quantities of soot and smog. We have the same building blocks, but the instructions on what to do with those building blocks are different among the finches, says Campagna. A species is often defined as a group of individuals that actually or potentially interbreed in nature. A population is a group of individuals of the same species. races)? Could individuals of a species look different today than individuals of the same species did many generations ago Q6.5. Why do people (and most other species) have two copies of each chromosome? Explore Darwin's Theory of Evolution by Natural Selection. 2017. 1 See answer Advertisement Harshtsingh Yes, all individuals can change a little and pass those changes on to their offspring. Natural selection makes an adaptive trait more common in a population. If variations or mutations are extreme enough, new species can result. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. A scientist is researching how to cure a type of blindness that is caused by a mutation in a gene. Why or why not? Explain. Could a solenoid suspended by a string be used as a compass? In evolution, why is it important that individuals vary from each other? Discover when homo sapiens arrived and their hominid ancestors, such as australopithecines and Homo erectus. What makes an animal an animal? 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. Happy face spider photos courtesy of Rosemary Gillespie, UC . On average, what effect does genetic drift have on the differences between populations? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. D) amino acids Genotype is the written instructions for appearance based on the DNA. b. B. Over one or two generations, beak size among finches increased. How do animals that live in different environments meet their need for efficient gas exchange? Why do different genders of the same animal evolve differently? C. organism populations can change physically over long periods of time. This so-called junk DNA does not actually create proteins, but may influence how nearby genes are used. Q7. e. all living organisms, with just a few exceptions. Are 2 methylpentane and 3 methylpentane position isomers? From a genetics standpoint, why is there such a huge difference in height among humans? What are the general characteristics shared by all animals? No, species do not change even after many generations, so individuals of the same species would not look different. Posted Plants and animals do not share a common multicellular ancestor. Could individuals of a species look different today than individuals of the same species did many generations ago? What is the reason for the phenotypic differences between individuals of the same species? c)Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Species have changed and continue to change over time because of their environment, genetics, and reproduction. Which of the following is NOT a potential benefit of genetic engineering? Humans have about the same number of protein-coding genes as do animals such as tunicates that have a very simple body form and few neurons. C. Variatio. 9 months ago, Posted Traits must be inherited from one generation to the next. 9.) Olfspring must be similar to their parents due to shared genes. No, species do not change even after many generations, so individuals of the same species would not look different. a. They were more muscular than we were and they had bigger brains than we did (or do today). The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. Are humans subject to the same pressures of natural selection as other organisms? Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today? A scientist is studying embryos from two different species. O Yes, some individuals can change a little and pass those changes on to their 0.48. why or why not? Donec aliquet. Describe a study an evolutionary biologi. Why are humans so genetically similar? 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 . Describe why heritability only applies to population (not individuals or species), and how heritability can change without any genetic change occurring. How do changes in DNA affect changes in adaptations? Question Could individuals of a species look different today than individuals of the same species did many generations ago? But we are much more alike than we are different. Why are animals shaped differently in cooler climates than in warmer ones? 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. (a) convergent evolution (b) divergent evolution (c) evolutionary cyclicity (d) uniformitarianism. Unlike Darwins finches, in which environmental conditions such as food supply rewarded birds with different beak shapes, the capuchino finches all eat the same type of food and live in grasslands scattered across South America. Peppered moths have wings that vary in color, ranging from white to dark gray. (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. There are some phenotypic differences among human populations that reflect adaptation to different environments. Why do most species eventually evolve sexual reproduction? Why or why not? Consider a population that lacks variation and no individual has any advantageous traits. David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, BioEffRad-StudyGuide2019-Section7- Models of. Discuss at least five aspects/qualities/traits of non-human primates that are similar and/or different from humans. 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? 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 a. Provide an example of conve. If the current in the outer solenoid is changing at a rate I2/t\Delta I _ { 2 } / \Delta tI2/t, what is the magnitude of the induced emf in the inner solenoid? 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. Q6.5. Why or why not? CHOOSE ALL THAT APPLY! To put this another way: all humans have the same genes, yet we do not look alike. Why did some primate species develop sexual swellings while others didn't? Explain why monotremes are unique mammals. Why has nature decided to create exactly two genders (for humans and animals) and not 3 or 5 for example? Campagna, L., M. Repenning, L.F. Silveira, C.S. 6. This is an example of a. sympatric speci, How are humans evolving today? Drought caused plants to die. 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. Does genetic variation makes evolution possible? How is it the same? _______ among populations can keep them similar to one another. Experts are tested by Chegg as specialists in their subject area. Donec aliquet. What are the general characteristics of animals? 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. Does the question reference wrong data/reportor numbers? 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 new species evolve from existing species by a process called natural selection. To put this another way: all humans have the same genes, yet we do not look alike. Explain why only populations evolve but individuals do not. Biologists believe that ducks evolved from land birds that did not have webbed feet. Second, the two species would need to have a significant difference in their reproductive capabilities. individuals of the same species did many generations ago? What really fascinates him is how male capuchinos can look and sound very different across species, despite being almost identical genetically. How different are the various functional traits among the different species of deer? Scientists look for those rare instances when a species suddenly diverges, or radiates into multiple forms, each with a different appearance or behavior. Why are humans so different from other animals? There are at least 4 different ways that humans have genetic variation, a. Become a Study.com member to unlock this answer! What is the reason for the phenotypic differences between individuals of the same species? Do monkeys vary in similar ways? What are the 2 main reasons for variation between organisms of the same species? Which of the following histograms show the correct representation of the snail shell thickness data 4, 7, 2, 5, 4, 3? Selection is the way that different traits affect an organism's ability to survive and reproduce. Why does natural selection only act on heritable variation? 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. Why or why not? d. continental drift. C. b. greater the mutation rate will be. Q8. Were the solution steps not detailed enough? A) Species with low genetic variation go extinct. Many generations later, almost all the birds had the slightly larger beaks. so you can get an accurate answer to your question. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring.