Are age and gender independent variables? The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. It is their physical features and anatomical parts. What are the differences between a monkey and a human? copyright 2003-2023 Homework.Study.com. Why is it harder for human babies to be delivered than other animals? Why do humans share lots of DNA with both rats and bananas when each of these are very different things? What causes variation in a species? All other trademarks and copyrights are the property of their respective owners. Which is important for evolutionary change and why? Why or why not? There are two layers to physical appearance - genotype and phenotype. On demand UK streaming service with common turnover of in style free movies. Why are humans so different from other animals? Q6.5. If variations or mutations are extreme enough, new species can result. b) Yes, some individuals can chang; Compared to sexual reproduction, asexual reproduction _____. Variation is the availability of different traits in a population. As you know, the scales of these changes are different. Nam lacinia pulvinar tortor nec facilisis. Why is sexual selection likely to result in more rapid changes in phenotype than typical natural selection in the same population? But if the malesor the preferences of the femaleswere to change, the species are still closely enough related that they could probably still mate successfully. For example, if one individual of a species had a mutation that caused them to have red eyes, while the other individuals of the species had the normal allele for eye color, the individual with the mutation would stand out. Why did monkeys and lions evolve differently in the same environment? p2: homozygous dominant (sad) 2pq: heterozygotes (sad) Q2 heterozygous recessive (happy) This is an scenario of what could occur. Why or why not? From the Autumn 2017 issue of Living Bird magazine. Explain your answer. What characteristics are unique to mammals? Species have changed and continue to change over time because of their environment, genetics, and reproduction. This problem has been solved! Describe what has most likely happened over time to lead to this. Any action you may take upon the information you find on this website is strictly at your own risk. Why is it necessary to take enough time before making a decision? A surprisingly small population could save our species. What makes modern humans (Homo sapiens) unique in terms of our biological and cultural adaptations? Which of the following is not part of how we define a species? B. 9.) 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. What is genetic recombination? These rocks were once below the ocean surface. What are the general characteristics of animals? Why or why not? Could individuals of a species look different today than individuals of the same species did many generations ago? 1. Why do humans have some genes in common with bacteria, more genes in common with fish, and even more genes in common with mice? If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. They are from different gene pools. 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. 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.)? According to the diagram, which of the following statements is true? Tubaro, and I.J. Genotype is the written instructions for appearance based on the DNA. copyright 2003-2023 Homework.Study.com. O Yes, all individuals can change a little and pass those changes on to their This changed the way that humans reproduced and evolved, which in turn, changed the way that humans look today. why or why not? The descendants would look different from the original individuals in some ways, and they would look the same in some ways. What are possible reasons for t, Different species of animals rely more heavily on different senses. Why is it that humans have three different blood groups: A, B, and O? Why or why not? David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, BioEffRad-StudyGuide2019-Section7- Models of. Submit your documents and get free Plagiarism report, (Rate this solution on a scale of 1-5 below). Q5. B) not all mutations are beneficial. How does evolution occur in a species? A geographically continuous population has a gene pool that is relatively homogeneous. Which adaptation described below probably does not protect the plant from being eaten by herbivores? Donec aliquet. This is because the different environments would cause different changes in the fish's appearance. O No, species do not change even after many generations, so individuals of the same species would not look different. Homo erectus | The Smithsonian Institution's Human Origins Program Plants and animals do not share a common multicellular ancestor. DDT is an insectieide that was used extensively in the mid-1900s to kill mosquitoes. 2003-2023 Chegg Inc. All rights reserved. In this sense, a species is the biggest gene pool possible under natural conditions. AnswerGoat.com will not be liable for any losses and/or damages in connection with the use of the website. Second, the two species would need to have a significant difference in their reproductive capabilities. Numerous species in the same region must have recently become extinct. b. greater the mutation rate will be. Every plant or animal belongs to a species. Why is genetic variation so important to evolution? a. c. more they will differ from one another in adaptations. His observations of the embryos lead him to conclude that the species share a common ancestry. The mosquito population needed to evolve DDT resistance in order to avoid extinction. What is the connection between the size of a snail and their ability to reproduce, when around birds? Campagna, L., M. Repenning, L.F. Silveira, C.S. Which of the following histograms show the correct representation of the snail shell thickness data 4, 7, 2, 5, 4, 3? How are the striking similarities among genes that govern development in widely differing species strong evidence for evolution? Consider a population that lacks variation and no individual has any advantageous traits. Why are these genes similar but not identical? What is an example of a genetic mutation that created a new species in the modern era that humans have documented? These ducks spent time on both land and water. If there is NO VARIATION in shell thickness within a population of How are humans able to affect and alter the phenotypes of other organisms through artificial selection? c)Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Yes, some individuals can change a little and pass those changes on to their offspring. Play is dismissed as a human projection or as functional practice for adulthood that only 'higher" mammals are capable of. Over more recent history, during the last 10,000 years, there have been significant changes for humans to . Humans share common biological constraints b. But actually 6 million people have died of COVID. Explain how the mechanisms of evolution, such as natural selection, would be at play in the changing of human genes. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Evolution is a biological term that can . Non-human primates have a lot to tell us about ourselves and our origins. 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. 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? The longer that two populations are kept from interbreeding, the: a. more recessive alleles will be expressed. In biology, what is an adaptation? 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. We can learn a lot from these instances of fast speciation, says Cornell Lab scientist Leonardo Campagna, who has studied these finches for 10 years. 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. What additional genetic factors increase the resemblance between siblings? Why or why not? No, species do not change even after many generations, so individuals of the same species would not look different. 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 do humans, animals, and plants have to evolve reproductive function? Individuals of this species varied in the amount of webbing in their feet, with some individuals having more webbing and some having less. why or why not? What is the difference between humans and chimps? The Gray's come from a star-system known as Zeti Reticuli; Which is a star system located somewhere in the southern celestial hemisphere. How genetically different must a mutated individual be to be considered a different species? Scientists look for those rare instances when a species suddenly diverges, or radiates into multiple forms, each with a different appearance or behavior. How do changes in DNA affect changes in adaptations? 2) The biological species concept. 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. Submit 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. Select the correct statement(s) that justifies how he arrived at this conclusion. Do different species start with a genetic mutation? These separate evolutionary events led to different methods of achieving complex multicellularity in these groups. I'm watching with my students! 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 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. 10 Alien Races in Contact with Earth Believe it or Not - Wonderslist Could you please spare some time meaning? Campagna points out that to a certain degree there may be a cultural element involved, tooa female picks a bird colored like her father or other relatives. In what ways has the evolutionary biology of other animals been altered by the presence of human beings? Choice (d) is incorrect because it would be possible for this species to evolve over time. Could individuals of a species look different today than individuals of the same species did many generations ago? They were therefore able to eat aquatic plants and get enough food to survive and reproduce.Ducks with more webbing were better at eating aquatic plants than ducks with less webbing, so the ducks with more webbing survived and reproduced better than ducks with less webbing.Ducks with less webbing needed to grow more webbing in their feet in order to improve their access to aquatic plants, which allowed them to survive better and reproduce more.Q6.10. Could individuals of a species look different today than individuals of the same species did many generations ago? Theyre very easy to distinguish. (Listen to recordings from our Macaulay Library archive: Dark-throated Seedeater, Marsh Seedeater, and Tawny-bellied Seedeater.). Mediterranean climates like California, with hot and dry summers and cold wet winters . What is the reason for the phenotypic differences between individuals of the same species? Some force other than environmental conditions must be acting upon the males to produce so many species. Variation allows some individuals to do better than others, so those variations are selected. What is the reason for the phenotypic differences between individuals of the same species? A few mosquitoes in the population were resistant to DDT before it was ever used. Our experts can answer your tough homework and study questions. A trait with a genetic basis that increases the fitness of an individual with the trait in a particular environment, compared to individuals lacking the trait. Which of the following is REQUIRED for the process of evolution by natural selection to occur? It takes a long time for an individual to adapt to its environment. If monkeys and humans evolved from a common ancestor, why did we evolve differently? Men's "Love" Health-Gut Check Project History of evolutionary thought - Wikipedia Could individuals of a species look different today than individuals of the same species did many generations Why or why not? Nam lacinia pulvinar tortor nec facilisis. Biologists believe that new species evolve from existing species by a process called natural selection. 20 hours ago, Posted a) Variation b) Normalization c) Extinction. How are these two copies similar? Transitional fossils show that the ancestral horse was much smaller than the modern horse. 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. A. 11 months ago, Posted A few years went by without much rain, and the only species of tree that survived had large seeds. Q6.6. The light moths declined in number and the dark colored moths increased in number. Campagna says, What were learning from these studies is that you dont need to be different across the entire genome to look different and behave differently. Human childhood is much longer than that of other animals; therefore, other animals rely only on their genetic information. 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. The more they used their feet, the more webbed their feet became, so they got enough food to survive and reproduce.Due to chance mutations, all the ducks feet in the next generation had more webbing. A population is a group of individuals of the same species. Do tarantulas make webs like other spiders? Over many generations, more beneficial traits will become more _____ since the organisms with those traits are better able to survive and _____. Why are humans so different from other animals? - Study Does the question reference wrong data/reportor numbers? Q6.5. If you're looking for the answer to the question: Could individuals of a species look different today chegg? Discuss at least four differences between apes and humans. Why does diversity between individuals and between species create problems for determining what is a species and what is a variant? Do any monkey species have different races similar to humans? For example, if a species of fish was only exposed to freshwater, they might look different than if they were exposed to saltwater. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. A disease attacks those plants and wipes them out. Many generations later, almost all the birds had the slightly larger beaks. How do you capture a snapshot of evolution as its happening? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 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. Be s. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. 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. c) Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Doctors find that a certain type of antibiotic is no longer effective against the type of bacteria it used to kill. Why or why not? 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. Because scientists are witnessing capuchino finch evolution in mid-stride, the outcome is still a mystery. What might scientists say about the human, seal, bird, and bat based on this evidence? The male finches are the same shape and size but wear different combinations of about five colors. b. Evolution only occurs in a very large gene pool. Owned by the same company as Crackle, it's full of low-budget style films. Finally, the two species would need to be unable to interbreed. Course Hero is not sponsored or endorsed by any college or university. No, species do not change even after many generations, so individuals of the same species would not look different. Which of the following explains what might happen next? Fusce dui lect, , dictum vitae odio. Lovette. 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. Why do humans try to save and treat every human life while other creatures are selected by natural selection? 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. Speciation - Introductory Biology: Evolutionary and Ecological Perspectives The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands seve Q: Q6.5. Explain. How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. Natural selection makes an adaptive trait more common in a population. (b) How does competition among humans differ from the competition in other animal species? a. Could individuals of a species look different today than individuals of the same sspecies did many generations ago? All rights reserved. Miriam wanted a new pet. Our experts can answer your tough homework and study questions. C. organism populations can change physically over long periods of time. Consider also that the environment that this organism lives in changes for the worse. Get plagiarism-free solution within 48 hours. If variations or mutations are extreme enough, new species can result. b. just other multicellular animals. 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 3 days ago. What is biological evolution? CHOOSE ALL THAT APPLY! Which of the following is NOT a potential benefit of genetic engineering? Merlin Bird ID Can Tell You, published in the journal Science Advances, Repeated divergent selection on pigmentation genes in a rapid finch radiation. Their feet are webbed and this trait makes them fast swimmers. Its possible that in these rapid radiations, whats changing is when and how much of these ingredients are being added.. Yes, all individuals can change a little and pass those changes on to their offspring. Homo sapiens share a common ancestor with primates. d. Fertile offspring are produced. The descendants would become a completely different species that would have no similarities to the original individuals. One species might have trills in different places, another song might be buzzy. To continue further with th. This indicates that: A. Reduction of the burning of fossil fuels (coal). Q6.5. Why is a convoluted brain better than a smooth one? Why or why not? How do humans influence animal evolution? What is the most likely explanation of why this antibiotic no longer kills this bacteria? Q8. Explain. Selection is the way that different traits affect an organism's ability to survive and reproduce. Q6.5. Is it possible that two different species, either by chance or natural selection, evolve to be the same species? What To Look For In Racing Pigeon Health Supplements And Why They Matt 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. We store cookies data for a seamless user experience. 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. Yes, some individuals can change a little and pass those changes on to their offspring. Can certain traits in a population change because the environment changes? Most people today would classify such forms as different species, and none of these sibling species mate with one another in normal circumstances. Best Webcams For Macbooks 2023: Top Cameras For Apple Laptops Why do different genders of the same animal evolve differently? _______ among populations can keep them similar to one another. And instead of requiring large changes to the DNA to govern color production over many parts of the birds body, it has been accomplished through just a few changes to regulatory regions of the genome. What causes variation in a species? b. 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. 8 Types of Human Species: We Aren't So Special - Shortform Could individuals of a species look different today than individuals of the same species did many generations ago? All living species de. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. The amount of webbing on a duck's feet is a heritable trait. C. Olfspring must be similar to their parents due to shared genes. Which is important for evolutionary change and why? Lorem ipsum dolor sit amet, consectetur adipiscing elit. Why or why not? Could individuals of a species look different today than individuals of the same species did many generations ago? Natural Selection is an example of a mechanism of evolution. 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