Explain the mechanisms of genetic variation. Homo sapiens share a common ancestor with primates. 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. *. Reproduction is the ability of an organism to create new offspring. Do any monkey species have different races similar to humans? In evolution, why is it important that individuals vary from each other? 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. C. Variatio. 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. A disease attacks those plants and wipes them out. Discuss at least five aspects/qualities/traits of non-human primates that are similar and/or different from humans. How genetically different must a mutated individual be to be considered a different species? In contrast, humans have many more microRNA molecules (miRNAs) than these animals. We store cookies data for a seamless user experience. Why or why not? Why do humans try to save and treat every human life while other creatures are selected by natural selection? Why are these genes similar but not identical? What are selection and genetic drift, and how are they different from each other? Could individuals of a species look different today than individuals of the same species did many generations ago? Why did monkeys and lions evolve differently in the same environment? Donec aliquet. There must be a predator preying on the species. The outcome of each genetic bird recipe is a capuchino finch that looks differentone species with a black throat and gray cap, another with a white throat and gray cap. Individuals of the same species generally \\ experience prezygotic barriers to reproduction. Yes, all individuals can change a little and pass those changes on to their offspring. The technology behind the atomic bomb only exists because of a cooperative hive mind: hundreds of scientists and engineers. Fossils of organisms that lived many years ago, and DNA from the remains of organisms that lived many years ago. \\ b. What are the features of a highly evolved brain? Reduction of the burning of fossil fuels (coal). Could the story animal farm have taken place anywhere else? What causes variation in a species? copyright 2003-2023 Homework.Study.com. How do changes in DNA affect changes in adaptations? Q5. Assume that a population of one of these finch . While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of wobbing on their feet as their parents. Genetic drift is evolutionary change resulting from: a. chance differences in reproductive success b. natural selection c. differences in individuals' fit to their environment d. mutation. Can certain traits in a population change because the environment changes? Which of the following is an example of genetic engineering? Theyre very easy to distinguish. (Listen to recordings from our Macaulay Library archive: Dark-throated Seedeater, Marsh Seedeater, and Tawny-bellied Seedeater.). A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. What is the most likely explanation of why this antibiotic no longer kills this bacteria? Learn about Charles Darwin's background, what theory he is known for, and what natural selection is. Explain. Here's how it works. Transitional fossils show that the ancestral horse was much smaller than the modern horse. Humans share common biological constraints b. Are humans exempt from natural selection because of the technological nature of our society? Explain why only populations evolve but individuals do not. What does this tell Scientists about Earth's past? Human-made tools of prehistoric times 2.5 million years ago show that humans began to memorize information in steps. Privacy Policy. No, species do not change even after many generations, so individuals of the same species would not look different. Could individuals of a species look different today than individuals of the same species looked many generations ago? A) Species with low genetic variation go extinct. Q6. How can making good decisions help people? Their feet are webbed and this trait makes them fast swimmers. We've gathered the most relevant information and related questions to: Could individuals of a species look different today chegg? As in all species, there is variation among individual human beings, from size and shape to skin tone and eye color. Do monkeys vary in similar ways? D. modifications in an individual are caused. There are surprisingly large genetic differences between individuals from the same population; indeed, recent mitochondrial DNA evidence shows greater variation within regional populations than that shown between historical human races. Which of the following is REQUIRED for the process of evolution by natural selection to occur? Pellentesque dapibus efficitur laoreet. 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. What makes humans so different from the rest of the species on the planet? d. Fertile offspring are produced. Explain. Explain why a single human body is considered to be a mega-diverse ecosystem. These ducks spent time on both land and water. Most people today would classify such forms as different species, and none of these sibling species mate with one another in normal circumstances. Why or why not? d. continental drift. Explain. 1. Pellentesque dapibus efficitur laoreet. Why or why not? Biologists believe that ducks evolved from land birds that did not have webbed feet. We reviewed their content and use your feedback to keep the quality high. How are these two copies similar? Submit your documents and get free Plagiarism report, (Rate this solution on a scale of 1-5 below). How are modern humans distinct from Paranthropus robustus? Using one of these four ideas, explain why you do not look like another person in this room. There must be a sudden environmental change. Why are there so many species of monkeys but only one species of human? Over one or two generations, beak size among finches increased. 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. Happy face spider photos courtesy of Rosemary Gillespie, UC . When I was studying nutrition and soil management over 20 years ago, produce could already be classified as "franken-food". Question: could individual of a species look different today than individual of the same species did many generations ago? What makes modern humans (Homo sapiens) unique in terms of our biological and cultural adaptations? To put this another way: all humans have the same genes, yet we do not look alike. 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. These rocks were once below the ocean surface. The most common mechanism for this is natural selection, in which individuals with beneficial heritable traits reproduce more than organisms without these traits, causing an increase in the frequency of the trait within the population. Createyouraccount. All living species de. A. Posted What are the impli. Why or why not? These separate evolutionary events led to different methods of achieving complex multicellularity in these groups. A. Could the us have to maintain neutrality in ww1? She returned every week for 12 weeks to measure survival of tagged lizards. If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. 1. Their songs are different, too. 2) The biological species concept. 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 why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Could individuals of a species look different today than individuals of the same species did many generations ago? The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . A surprisingly small population could save our species. ways in which gr12 learners could view changes after school in a positive manner, 3 ways relationships can be positive in someones well being. 2 years ago, Posted What are they doing that causes a shift in the gene frequencies for "desirable" traits? Humans shape their environment in ways that other organisms cannot. Q6.5. 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. 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. How do bacteria acquire genetic variation, and how does that differ from the mechanism by which humans acquire variation? Does the question reference wrong data/reportor numbers? Why or why not? Evolution is a biological term that can . Do humans experience interspecific competition? 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. How are humans related to primates? Why do people (and most other species) have two copies of each chromosome? 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.)? The histograms below show data obtained by a student playing crab in the Darwinian Snails simulation . Why or why not? Is it through mutation? What are the 2 main reasons for variation between organisms of the same species? c. Humans have similar sets of biological needs d. Humans face simila. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. The central ideas of evolution are that life has changed over time and different species share common ancestors. There is similar variety for wings and head color, creating an almost mix-and-match effect when the species are viewed side by side. Be s. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Skin color is not directly tied to race. Some organisms may be very closely related, even though a minor genetic change caused a major morphological difference to make them look quite different. Merlin Bird ID Can Tell You, published in the journal Science Advances, Repeated divergent selection on pigmentation genes in a rapid finch radiation. In genetics, two organisms are part of the same population if: \\ a. If variations or mutations are extreme enough, new species can result. Which of the following is NOT a potential benefit of genetic engineering? How is it the same? What is culture and how does culture differ between human and nonhuman primates? There are two layers to physical appearance - genotype and phenotype. Q6.5. Get access to this video and our entire Q&A library, Who Was Charles Darwin? They would do this by breeding a Poodle with a Husky. One or more species must have recently been introduced to the region. Nam lacinia pulvinar tortor nec facilisis. O B) glucose The current 13 finch species are the only species that survived. What are the general characteristics shared by all animals? Why or why not? The mosquito population needed to evolve DDT resistance in order to avoid extinction. Are 2 methylpentane and 3 methylpentane position isomers? Yet why do some races seem to have darker (or lighter) skin tones than others? a. Which form of gene technology would be the best for this example? This problem has been solved! 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? In animals generally, how much variation do you expect to see within as compared to between different races of a single species? All rights reserved. But we are much more alike than we are different. Why or why not? Yes, some individuals can change a little and pass those changes on to their offspring. Learn about human evolution, how modern humans developed. How different are the various functional traits among the different species of deer? Give an explanation for your answer. I've rounded off in many locations to ensure that the sum of allele frequencies and genotypes will be one and the number of bears will be a whole number. Explore Darwin's Theory of Evolution by Natural Selection. There is fossil evidence that this . same species would not look different. Why don't other animals have as many genetic mutations as humans? copyright 2003-2023 Homework.Study.com. or nec facilisis. C. Be as specific as possible. Why do humans share lots of DNA with both rats and bananas when each of these are very different things? 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. Mosquitoes in the population learned to adapt to the high levels of DDT in the environment. AnswerGoat.com does not many any warranties about the accuracy, completeness or reliability of this information. Peppered moths have wings that vary in color, ranging from white to dark gray. Yes, all individuals can change a little and pass those changes on to [] What is convergent evolution? Could individuals of a species look different today than individuals of the same sspecies did many generations ago? Are humans particularly self-destructive when compared to other animals? It takes a long time for an individual to adapt to its environment. Explain how differences in skin color of humans have been selected for in different environments. However, humans still have significant differences with every species that exists on Earth. Why does natural selection occur more in animals than humans? We have the same building blocks, but the instructions on what to do with those building blocks are different among the finches, says Campagna.
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