How does the human body's molecular system differ from dogs? Are DNA mutations and natural selection two different mechanisms of evolution? For example, these happy face spiders look different, but since they can interbreed, they are considered the same species: Theridion grallator. Can certain traits in a population change because the environment changes? a) Yes, all individuals can change a little and pass those changes on to their offspring. Provide an example of conve. What makes modern humans (Homo sapiens) unique in terms of our biological and cultural adaptations? 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. O Yes, all individuals can change a little and pass those changes on to their What really fascinates him is how male capuchinos can look and sound very different across species, despite being almost identical genetically. Choose an animal and. b. Evolution only occurs in a very large gene pool. 2. What is the reason for the phenotypic differences between individuals of the same species? It is their physical features and anatomical parts. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation. Repeated divergent selection on pigmentation genes in a rapid finch radiation. Near industrialized areas, black powder covered surfaces, including the moth habitat. a. The histograms below show data obtained by a student playing crab in the Darwinian Snails simulation . Do tarantulas make webs like other spiders? Q6. How is knowing how an animal develops important to determining its common ancestor? 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. Current forms could continue to diverge into ever more distinct species or they could collapse back into one or a few species through hybridization or extinction. Which of the following is NOT a potential benefit of genetic engineering? In what ways is the human brain different from other species (non-primate and non-human primate)? What is the reason for the phenotypic differences between individuals of the same species? Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? What is the reason for the phenotypic differences between individuals of the same species? Are humans exempt from natural selection because of the technological nature of our society? 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. Explain why only populations evolve but individuals do not. They would do this by breeding a Poodle with a Husky. 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. \\ have many common physical and behavioral characteristics. And their choices may not be entirely governed by genetics. 2 years ago, Posted Yes, all individuals can change a little and pass those changes on to their offspring. The longer that two populations are kept from interbreeding, the: a. more recessive alleles will be expressed. 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 . Are humans subject to the same pressures of natural selection as other organisms? or nec facilisis. Could individuals of a species look different today than individuals of the same species did many generations ago? Do any of our fossil relatives or other species share some aspects of this unique set of characteristics? How can making good decisions help people? Finally, discover cousin species like Homo neanderthalensis. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Their feet are webbed and this trait makes them fast swimmers. Which of the following is REQUIRED for the process of evolution by natural selection to occur? And it is thought to be one of the alien races in contact with earth. Which of the following is NOT an example of gene technology? Microscopic study of the teeth indicates that he grew up at a growth rate similar to that of a great ape. Could the story animal farm have taken place anywhere else? why or why not? The bacteria have become resistant over several generations. Why or why not? Question Could individuals of a species look different today than individuals : 425869. A few years went by without much rain, and the only species of tree that survived had large seeds. Explain why only populations evolve but individuals do not. 3 days ago. a. After many generations, will all individuals in the population have the same adaptive trait? Submit Doctors find that a certain type of antibiotic is no longer effective against the type of bacteria it used to kill. a. Genetic variations that alter gene activity or protein function can introduce different traits in an organism. How are humans able to affect and alter the phenotypes of other organisms through artificial selection? Are humans particularly self-destructive when compared to other animals? A large population of animals is split in two by a physical barrier. If they are met, natural selection automatically results. Today's AI opinion piece by Kissinger, Schmidt & Huttenlocher is wonderfully thought-provoking. Yes, some individuals with certain traits are more likely to survive and pass Some organisms may be very closely related, even though a minor genetic change caused a major morphological difference to make them look quite different. This textbook can be purchased at www.amazon.com. What are the 2 main reasons for variation between organisms of the same species? Evolution is a biological term that can . What is the change in a species over time or the process of biological change by which descendants come to differ from their ancestors called? Over one or two generations, beak size among finches increased. 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. c. natural selection. Could you please spare some time meaning? same species would not look different. The mosquito population needed to evolve DDT resistance in order to avoid extinction. 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. Reduction of the burning of fossil fuels (coal). b) Yes, some individuals can chang; Why didn't humans evolve to hibernate like many other mammals? d. continental drift. Were the solution steps not detailed enough? Createyouraccount. Question: Q6.4. Could individuals of a species look different today than individuals of the same species did many generations ago? \\ vary only very slightly in appearance. 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. If a species is evolving, when is it considered a new species different from the organism it evolved from? Why are humans so different from other animals? Could individuals of a species look different today than individuals of the same species did many generations ago Could individuals of a species look different today than individuals of the same species looked many generations ago? A species is a population of plants or animals that can breed to produce offspring that can then produce offspring themselves. How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. One species might have trills in different places, another song might be buzzy. What makes humans so different from the rest of the species on the planet? There is no definitive answer to this question, but there are some interesting theories that can be considered. Could the stock market crash be prevented? Humans shape their environment in ways that other organisms cannot. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. 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. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Why do different genders of the same animal evolve differently? Donec aliquet. What might scientists say about the human, seal, bird, and bat based on this evidence? All rights reserved. Olfspring must be similar to their parents due to shared genes. Could individuals of a species look different today than individuals of the same species did many generations ago? The amount of webbing on a ducks feet is a heritable trait.Q6.8. Q6.5. Natural Selection is an example of a mechanism of evolution. What caused us to become so different? E) urea. Yes, all individuals can change a little and pass those changes on to their offspring. C. Variatio. D. modifications in an individual are caused. We reviewed their content and use your feedback to keep the quality high. In animals generally, how much variation do you expect to see within as compared to between different races of a single species? What does. Why are there so many different ways to define a species? Humans shape their environment in ways that other organisms cannot. Difficulties with Darwin's concept tempted a number of people to try to redefine species by means of interbreeding. b. Yes, all individuals can change a little and pass those changes on to their offspring. B) Low levels of genetic variation may make hybrid species more likely, so neither species will go extinct. Yes, some individuals can change a little and pass those changes on to their offspring. Do species evolve at a faster rate if they have a larger population due to being more likely to experience genetic mutation? Why or why not? B. What are selection and genetic drift, and how are they different from each other? A. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Over more recent history, during the last 10,000 years, there have been significant changes for humans to . Why do humans share lots of DNA with both rats and bananas when each of these are very different things? Why does natural selection only act on heritable variation? Why do all animals, both vertebrates and non-vertebrates, share the same hox genes? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Over time, the genetic makeup of the two resulting populations becomes more and more different, until each population becomes a separate species. However, humans still have significant differences with every species that exists on Earth. Is it through mutation? All rights reserved. Thoroughly describe an example of each mechanism. 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 did dinosaurs evolve earlier than humans? B. Explain! Are age and gender independent variables? 2017. Yes, when the environment changes, individuals with certain inherited traits survive and will be able to reproduce. Why or why not? The smallest and largest snails would be the most likely to reproduce. 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. 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 . Because so much of each species genome is the same, Campagna says its easier to find the minute differences, making them great subjects for study. Amid extreme weather events, many grape growers ask themselves what they can do to adapt their vineyard for climate change. Could individuals of a species look different today than individuals of the same species did many generations ago? (opens in new tab) A person walking in the Mojave Desert during the post-apocalyptic Wasteland Weekend festival on Sept. 28, 2019. What species are humans today? 6. D) amino acids Q5. Why do human bodies look so different across the planet? What is the reason for the phenotypic differences between individuals of the same species? Yes, all individuals can change a little and pass those changes on to their offspring. 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. 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 two genetically perfect humans have all the genetic diversity needed for a species? offspring. Do monkeys vary in similar ways? Why or why not? There is similar variety for wings and head color, creating an almost mix-and-match effect when the species are viewed side by side. How do genetic modification variations likely differ from genetic sexual reproduction variations? Why didn't other animals evolve to become closer to humans in intelligence? Using one of these four ideas, explain why you do not look like another person in this room. Could individuals of a species look different today than individuals of the same species did many generations ago? O Yes, some individuals can change a little and pass those changes on to their offspring. 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. Reproduction is the ability of an organism to create new offspring. Many generations later, almost all the birds had the slightly larger beaks. Substances larger than ________ are normally not allowed to pass through the filtration membrane. Pellentesque dapibus, congue vel laoreet ac, dictum vitae odio. Submit your documents and get free Plagiarism report, (Rate this solution on a scale of 1-5 below). Morphology is how an individual looks. The birds' beaks varied in size, with some individuals having slightly smaller beaks and others having slightly larger beaks. The most well-known example is a group of more than a dozen finch species in the Galapagos. \\ b. \\ d. They are in the same geographic area. (EQ: 9, 13) Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Which of the following is REQUIRED for the process of natural selection to occur? How has evolutionary biology demonstrated that adaptations arise through selection acting on genetic variation? Another theory is that individuals of a species could look different today if they had different genetic mutations. There must be a sudden environmental change. If so, why did we evolve this way? The theory of evolution states: A. better-adapted organism reproduces at a higher rate. In what ways is domestication (selection by humans) similar to natural selection, and in what ways is it different? Why are animals shaped differently in cooler climates than in warmer ones? The males songs are in the same general frequency, but the phrasing is quite different, Campagna explains. Why do plants and animals differ with regards to their development and how, Theories about why human universals exist suggest all of the following except: a. Peppered moths have wings that vary in color, ranging from white to dark gray. a. How does competition among humans differ from competition in other animal species? Which form of gene technology is this an example of? Theyre very easy to distinguish. (Listen to recordings from our Macaulay Library archive: Dark-throated Seedeater, Marsh Seedeater, and Tawny-bellied Seedeater.). Q8. Why or why not? What causes variation in a species? a) Yes, all individuals can change a little and pass those changes on to their offspring. Thats because females of all the capuchino species look identicalits often impossible to tell them apart, even in the hand. Any action you may take upon the information you find on this website is strictly at your own risk. Q6.5. The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. Lovette. To put this another way: all humans have the same genes, yet we do not look alike. 2003-2023 Chegg Inc. All rights reserved. Transitional fossils show that the ancestral horse was much smaller than the modern horse. There must be a sudden environmental change. Pellentesque dapibus efficitur laoreet. What is the most likely explanation of why this antibiotic no longer kills this bacteria?