(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? d. just other eukaryotes. Why or why not? In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. O Yes, some individuals can change a little and pass those changes on to their B) not all mutations are beneficial. Could individuals of a species look different today than individuals of Did doc holliday actually shoot johnny ringo? Could a roman legion defeat a medieval army? For example, chimpanzees and humans, the skulls of which are shown in Figure 12.2. Why is our DNA so similar to all other living organisms? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Over more recent history, during the last 10,000 years, there have been significant changes for humans to . The birds' beaks varied in size, with some individuals having slightly smaller beaks and others having slightly larger beaks. What's the minimum number of people needed to survive an apocalypse those traits on to their offspring. Humans shape their environment in ways that other organisms cannot. so you can get an accurate answer to your question. Humans share common biological constraints b. 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. Donec aliquet. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Could the stock market crash be prevented? What might scientists say about the human, seal, bird, and bat based on this evidence? What characteristics are unique to mammals? 1. 2007-2023 Learnify Technologies Private Limited. Why is it that physical distinction between genders is more evident in humans than it is in other animals, say, a cat? And their choices may not be entirely governed by genetics. b. Our experts can answer your tough homework and study questions. (a) What additional genetic factors increase the resemblance between siblings? Subscribe now. a. weather. If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. Its individuals appear different from other species. Speciation is the process by which new species form. How is this best explained? 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. Because scientists are witnessing capuchino finch evolution in mid-stride, the outcome is still a mystery. Ducks are aquatic birds. 2 are very similar genetically, sharing 99 percent 1 of their genes. p2: homozygous dominant (sad) 2pq: heterozygotes (sad) Q2 heterozygous recessive (happy) This is an scenario of what could occur. A 50.0 mL sample of drinking water was found to contain 1.25 \mug of arsenic. Many years ago, more than 13 different species of birds migrated to the islands. 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. Horned lizards use their horns to defend against predatory birds. Could individuals of a species look different today than individuals of the same species did many generations ago? Do monkeys vary in similar ways? 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. Are humans particularly self-destructive when compared to other animals? d. continental drift. 9 months ago, Posted Could a solenoid suspended by a string be used as a compass? Variation allows some individuals to do better than others, so those variations are selected. A. environment and acquired characteristics will not affect populations, only individuals B. no way to pass environment or acquired characteristics to offspring, only genes C. heritable variat. Could individuals of a species look different today than individuals of the same species did many generations ago? Why are humans so different from other animals? - Study What are the four major ways that humans are affecting other species through our actions? Most ducks had less webbing on their feet than their parents. Biologists believe that ducks evolved from land birds that did not have webbed feet. Many animals share similar characteristics with other animals and also share some features with humans. What causes variation in a species? A food source must disappear. Campagna, L., M. Repenning, L.F. Silveira, C.S. Different finch species live on different islands. Explore Darwin's Theory of Evolution by Natural Selection. Be sure to discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation. By the year 2000, the graph shows the population of light colored moths significantly increasing. Get access to this video and our entire Q&A library, Who Was Charles Darwin? Why are humans so genetically similar? Explain why a single human body is considered to be a mega-diverse ecosystem. The Gray's come from a star-system known as Zeti Reticuli; Which is a star system located somewhere in the southern celestial hemisphere. 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. The males songs are in the same general frequency, but the phrasing is quite different, Campagna explains. What are the similarities and differences between humans and other mammals such as monkeys and apes? 6. Q6.5. Could individuals of a species look different today than Calculate the concentration in units of ppb and determine whether the sample exceeds the legal limit of 10.0 ppb. And it is thought to be one of the alien races in contact with earth. Done, onec aliquetpulvinar tortor nec facilisis. 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. a) Yes, all individuals can change a little and pass those changes on to their offspring. C. In sympatric speciation, groups from the same ancestral population evolve into . Substances larger than ________ are normally not allowed to pass through the filtration membrane. Considering chimpanzees and humans share 90% of the same DNA, why can't they breed together? A species is a group of individual organisms that interbreed and produce fertile, viable offspring. Why do humans share lots of DNA with both rats and bananas when each of these are very different things? First, the two species would need to be geographically isolated from each other. Why are there so many different ways to define a species? How genetically different must a mutated individual be to be considered a different species? The pigweed has evolved to withstand the Roundup. Explain why only populations evolve but individuals do not. Why is sexual selection likely to result in more rapid changes in phenotype than typical natural selection in the same population? How are modern humans distinct from Paranthropus robustus? 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 did many generations Choose an animal and. Why are animals shaped differently in cooler climates than in warmer ones? Do any of our fossil relatives or other species share some aspects of this unique set of characteristics? B. History of evolutionary thought - Wikipedia Some organisms may be very closely related, even though a minor genetic change caused a major morphological difference to make them look quite different. Solved Q5. Could individuals of a species look different - Chegg You'll get a detailed solution from a subject matter expert that helps you learn core concepts. How does the human body's molecular system differ from dogs? Are humans subject to the same pressures of natural selection as other organisms? Different finch species live on different islands. 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. Repeated divergent selection on pigmentation genes in a rapid finch radiation. Choices (a) and (b) are incorrect because acquired changes in individuals are not commonly passed on to the next generation. A farmer takes pollen from a plant with desired traits and intentionally places the pollen on a plant with other desired traits. What is the reason for the phenotypic differences between individuals of the same species? 2. Q6.5. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Are abdominal muscles cut in hysterectomy? C) not all mutations cause visible change. Biodiversity - National Geographic Society d. greater the chance one will go extinct. a) Yes, all individuals can change a little and pass those changes on to their offspring. How is knowing how an animal develops important to determining its common ancestor? 1) Yes, all ind. She returned every week for 12 weeks to measure survival of tagged lizards. All rights reserved. How are humans evolving today? It is possible that the answer to this question could be found through further research. 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. All other trademarks and copyrights are the property of their respective owners. What is a distinguishing factor that separates mammals from other animals? Question: Q6.4. Could individuals of a species look different today chegg? How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. It is believed that humans started to transfer information from tools to symbols and from symbols to letters from generation to generation. C. Variatio. For example, when humans first migrated to North America, they were faced with a new environment with different plants and animals. Explain why only populations evolve but individuals do not. Species have changed and continue to change over time because of their environment, genetics, and reproduction. Explain why monotremes are unique mammals. 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. Mutation does not always affect the evolution of a species because A) not all mutations are inherited. So, how can the males all be so different? 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? In genetics, two organisms are part of the same population if: \\ a. Submit Nam lacinia pulvinar tortor nec facilisis. then you've come to the right place! Could the us have to maintain neutrality in ww1? Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. It is their physical features and anatomical parts. B. environment and acquired characteristics will no affect populations, only individuals C. natural selection c. Since humans evolved, where are all the other human variations resulting from random genetic mutations? Was the final answer of the question wrong? Drought caused plants to die. Explain how the mechanisms of evolution, such as natural selection, would be at play in the changing of human genes. I will post some . Solved Q6.4. The 14 species of finches on the Galapagos | Chegg.com The descendants would look the same as the original individuals because species do not change. Which of the following is NOT an example of gene technology? ago? (b)(b)(b) If the drag force is given by bv2b v^2bv2, what is the value of bbb ? How species are identified | Dinosaurs | The Guardian How do species change over geologic time? - American Geosciences Institute How are humans related to primates? Discover when homo sapiens arrived and their hominid ancestors, such as australopithecines and Homo erectus. Be as specific as possible. Explain! Could two genetically perfect humans have all the genetic diversity needed for a species? 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. \\ vary only very slightly in appearance. Why do different genders of the same animal evolve differently? What are the general characteristics shared by all animals? Explain how animal behaviors, including human behaviors, are governed by genetic inheritance. Which of the following is REQUIRED for the process of evolution by natural selection to occur? Why do people (and most other species) have two copies of each chromosome? BIOL 201 Quiz Qs Flashcards | Quizlet 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 E) urea. (opens in new tab) A person walking in the Mojave Desert during the post-apocalyptic Wasteland Weekend festival on Sept. 28, 2019. Why or why not? Could individuals of a species look different today than individuals of the same species did many generations ago? What is the difference between genetic diversity and genetic variation? Biologists believe that new species evolve from existing species by a process called natural selection. a)Yes, all individuals can change a little and pass those changes on to their offspring. A head of broccoli today is not the same as a head of broccoli 70 years agothey're almost different species. Nam lacinia pulvinar tortor nec facilisis. c)Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. not? Genetic Variation - National Geographic Society 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. Q6.1. What will most likely happen to the population in terms of natural selection? Provide an example of conve. A) Species with low genetic variation go extinct. A species is often defined as a group of individuals that actually or potentially interbreed in nature. Human childhood is much longer than that of other animals; therefore, other animals rely only on their genetic information. 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. Donec aliquet. Recently, more and more farmers have discovered that their fields have Roundup-resistant pigweed growing along with their crop. Homo sapiens share a common ancestor with primates. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. Science Advances. Mediterranean climates like California, with hot and dry summers and cold wet winters . The three conditions for natural selection are variation, selection, and reproduction. Does the question reference wrong data/reportor numbers? Which genes are different among species is more important than just the number of genes that are different., Available for everyone,funded by donors like you. Many generations later, almost all the birds had the slightly larger beaks. Why do most species eventually evolve sexual reproduction? A large population of animals is split in two by a physical barrier. Many generations later, almost all ducks had more webbing on their feet. 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. The three conditions that must be met for evolution to occur by natural selection are that there must be variation, there must be selection, and there must be inheritance of variation. Is it a survivor bias? In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation. Posted What characteristics do you see in humans, either anatomically or behaviorally, that are still shared with other primates? What causes variation in a species? Living Bird Autumn 2017Table Of Contents, Right Bird, Right House: Guide to Birds and Birdhouses for Your Region, How to Use BirdCast Dashboard to See Your Local Migration in Detail, How to Choose the Right Kind of Bird Feeder, What's That Bird Song? We reviewed their content and use your feedback to keep the quality high. \\ have many common physical and behavioral characteristics. Could individuals of a species look different today than individuals of the same species did many generations ago? 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 Traits must be inherited from one generation to the next. D. modifications in an individual are caused. This site is using cookies under cookie policy . 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 . Ecologists estimate the size and density of populations using quadrats and the mark-recapture method. What caused us to become so different? why did dinosaurs evolve earlier than humans? If variations or mutations are extreme enough, new species can result. O How do genetic modification variations likely differ from genetic sexual reproduction variations? Reproduction is the ability of an organism to create new offspring. Yes, some individuals can change a little and pass those changes on to their offspring. Donec aliquet. 1. A species is a population of plants or animals that can breed to produce offspring that can then produce offspring themselves. 12.2: Determining Evolutionary Relationships - Biology LibreTexts Scientists look for those rare instances when a species suddenly diverges, or radiates into multiple forms, each with a different appearance or behavior. What is genetic recombination? Could individuals of a species look different today than 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. Use the following passage to answer the next two questions. A. b) Yes, some individuals can change a little and pass those changes on to their offspring. Why didn't humans evolve to hibernate like many other mammals? Using one of these four ideas, explain why you do not look like another person in this room. Why do humans, animals, and plants have to evolve reproductive function? What are the features of a highly evolved brain? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. b) Yes, some individuals can chang; 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 . Which adaptation described below probably does not protect the plant from being eaten by herbivores? \\ c. They have the same phenotype. c. Humans have similar sets of biological needs d. Humans face simila. Would you expect the DNA of the goat to be more similar to? Are humans exempt from natural selection because of the technological nature of our society? How are animals that are different species able to reproduce? Why or why not? 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 makes humans so different from the rest of the species on the planet? When I was studying nutrition and soil management over 20 years ago, produce could already be classified as "franken-food". Best Webcams For Macbooks 2023: Top Cameras For Apple Laptops In evolution, why is it important that individuals vary from each other? Yes, some individuals can change a little and pass those changes on to their offspring. A population is a group of individuals of the same species. Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today? This textbook can be purchased at www.amazon.com. Could individuals of a species look different today than individuals of the same species did many generations ago Selection acts on variation in ______; however, evolution depends on variation among _______. What are selection and genetic drift, and how are they different from each other? No, species do not change even after many generations, so individuals of the same species would not look different. But we are much more alike than we are different. 2. Become a Study.com member to unlock this answer! c. A change in heritable traits over time occurs at. Q5. Could individuals of a species look different today than Question Could individuals of a species look different today than individuals : 425869. The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. Men's "Love" Health-Gut Check Project Peppered moths have wings that vary in color, ranging from white to dark gray. 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? Are there such height differences in the animal kingdom? 2003-2023 Chegg Inc. All rights reserved. There must be a predator preying on the species. Why has nature decided to create exactly two genders (for humans and animals) and not 3 or 5 for example? Why or why not? To continue further with th. 0.48. Pellentesque dapibus efficitur laoreet. Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? From the Autumn 2017 issue of Living Bird magazine. The amount of webbing on a ducks feet is a heritable trait.Q6.8. Therefore, the first concept of the term "species" was based on the morphology. It occurs when groups in a species become reproductively isolated and diverge. The differences consistently fell in areas near color genes in sections of the genome once considered junk. Scientists have since learned that these areas of the genome, which once appeared to have no purpose, can play crucial roles in regulating genes and modifying their effects. What is the reason for the phenotypic differences between individuals of the same species? 3. All other trademarks and copyrights are the property of their respective owners. 6. A scientist is researching how to cure a type of blindness that is caused by a mutation in a gene. Explain. Are humans subject to the same pressures of natural selection as other organisms? 1. What is culture and how does culture differ between human and nonhuman primates? Skin color is not directly tied to race. . Which of the following statements about evolution and ecology How Can 9 Species Look So Different Yet Be - All About Birds 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? Select the correct statement(s) that justifies how he arrived at this conclusion. Microscopic study of the teeth indicates that he grew up at a growth rate similar to that of a great ape. If variations or mutations are extreme enough, new species can result. a. There are at least 4 different ways that humans have genetic variation, a. Humans share the same genetic code with: a. just other vertebrates. Learn about Charles Darwin's background, what theory he is known for, and what natural selection is. Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. Explain your answer. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Show more b) Yes, some individuals can chang. 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. Non-human primates have a lot to tell us about ourselves and our origins. Variation in traits that affect which individuals survive and reproduce in each generation is called: a. fatalism b. genetic engineering c. morphology d. catastrophism e. natural selection. In animals generally, how much variation do you expect to see within as compared to between different races of a single species? You can specify conditions of storing and accessing cookies in your browser. 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. Which of the following is REQUIRED for the process of natural selection to occur? Pellentesque dapibus efficitur laoreet. Choice (d) is incorrect because it would be possible for this species to evolve over time. Yes, all individuals can change a little and pass those changes on to their offspring.