In contrast, humans have many more microRNA molecules (miRNAs) than these animals. Could the story animal farm have taken place anywhere else? Done, onec aliquetpulvinar tortor nec facilisis. What are the impli. Why is it harder for human babies to be delivered than other animals? could individuals of a species look different today. 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. By what mechanisms have we evolved into distinct species? 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. How does competition among humans differ from competition in other animal species? Does the question reference wrong data/reportor numbers? Lorem ipsum dolor sit amet, consectetur adipiscing elit. Why do different genders of the same animal evolve differently? How do changes in DNA affect changes in adaptations? Donec aliquet. What is convergent evolution? Question Could individuals of a species look different today than individuals of the same species did many generations ago? 2 years ago, Posted This indicates that: A. Become a Study.com member to unlock this answer! Lorem ipsum dolor sit amet, consectetur adipiscing elit. Why or why not? What makes an animal an animal? Yes, all individuals can change a little and pass those changes on to their offspring. What are the 2 main reasons for variation between organisms of the same species? Using one of these four ideas, explain why you do not look like another person in this room. 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.)? Thoroughly describe an example of each mechanism. Explain. Why are these genes similar but not identical? Will evolution occur if there is no variation in a population, if the only variation is acquired and not inherited or if all progeny survive and equally reproduce? 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. What is the reason for the phenotypic differences between individuals of the same species? Are humans subject to the same pressures of natural selection as other organisms? 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. 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. We are, in fact, remarkably similar. Ducks are aquatic birds. O Yes, all individuals can change a little and pass those changes on to their Evolutionary biologists often compare the morphological features of different organisms to look for relationships to determine how they have changed over time. Could individuals of a species look different today than individuals of the same species did many generations ago? 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 . Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today? Why do humans have some genes in common with bacteria, more genes in common with fish, and even more genes in common with mice? It occurs when groups in a species become reproductively isolated and diverge. Why? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. There is no way to know for sure if individuals of a species could look different today, but it is an interesting topic to consider. What additional genetic factors increase the resemblance between siblings? 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? The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . See Answer Proposals that one type of animal, even humans, could descend from other types of animals, are known to go back to the first pre-Socratic Greek philosophers. (a) Do humans experience interspecific competition? How are humans evolving today? 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? Numerous species in the same region must have recently become extinct. 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. What is the difference between genetic diversity and genetic variation? 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. How is knowing how an animal develops important to determining its common ancestor? Why or why not? Scientists have estimated that there are around 8.7 million species of plants and animals in existence. Of course, the source of that female preference probably resides somewhere in the DNA, too. No, species do not change even after many generations, so individuals of the same species would not look different. Pellentesque dapibus efficitur laoreet. Give an example of how these mechanisms have impacted evolution in a species. All information of this website is published in good faith and for general information purposes only. C. Variatio. There must be a sudden environmental change. Why are animals shaped differently in cooler climates than in warmer ones? \\ have many common physical and behavioral characteristics. David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, BioEffRad-StudyGuide2019-Section7- Models of. Yes, some individuals with certain traits are more likely to survive and pass 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. Q7. The new study identified all the points of difference for nine capuchino species, with a surprising result. All of the following are protective adaptations except one. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. Are there such height differences in the animal kingdom? 2007-2023 Learnify Technologies Private Limited. In what ways is domestication (selection by humans) similar to natural selection, and in what ways is it different? b. What is the reason for the phenotypic differences between individuals of the same species? The males songs are in the same general frequency, but the phrasing is quite different, Campagna explains. 2. Pluto TV is an ad-supported streaming service run by Paramount. Do monkeys vary in similar ways? Wing bone structures of penguins and other birds are functionally different, but homologous. All other trademarks and copyrights are the property of their respective owners. c. Humans have similar sets of biological needs d. Humans face simila. What is the difference between humans and chimps? Peppered moths have wings that vary in color, ranging from white to dark gray. Why do most species eventually evolve sexual reproduction? A. How similar were humans 2,000-3,000 years ago compared to us now in appearance and genetics? It is their physical features and anatomical parts. If variations or mutations are extreme enough, new species can result. How fast can tarantulas move? 2003-2023 Chegg Inc. All rights reserved. Humans all share the same cultural knowledge and beliefs. Why didn't humans evolve to hibernate like many other mammals? 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 . same species would not look different. Explain. Here's how it works. How are they different? Yes, some individuals can change a little and pass those changes on to their offspring. Select the correct statement(s) that justifies how he arrived at this conclusion. A large population of animals is split in two by a physical barrier. Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. 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. B. organisms change by acquired characteristics. Q6.6. Privacy Policy. Does genetic variation makes evolution possible? No. Could individuals of a species look different today than individuals of the same species did many generations ago? Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Which of the following is NOT a potential benefit of genetic engineering? 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. Conditions have changed in significant ways everywhere on earth, with some of these changes happening suddenly and others more gradually. a. Q6. 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 Which of the following is REQUIRED for the process of evolution by natural selection to occur? I will post some . How do genetic modification variations likely differ from genetic sexual reproduction variations? Merlin Bird ID Can Tell You, published in the journal Science Advances, Repeated divergent selection on pigmentation genes in a rapid finch radiation. B. How does the human body's molecular system differ from dogs? Peppered moths have wings that vary in color, ranging from white to dark gray. 1) Yes, all ind. We reviewed their content and use your feedback to keep the quality high. Pellentesque dapibus efficitur laoreet. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands seve Q: Q6.5. Learn about human evolution, how modern humans developed. Because scientists are witnessing capuchino finch evolution in mid-stride, the outcome is still a mystery. B) glucose What are the 2 main reasons for variation between organisms of the same species? A) Species with low genetic variation go extinct. Selection acts on variation in ______; however, evolution depends on variation among _______. C. AnswerGoat.com will not be liable for any losses and/or damages in connection with the use of the website. 2003-2023 Chegg Inc. All rights reserved. What are the noteworthy differences between the two? How does the human epidermal layer differ from that of other animals such as dogs and cats? What caused us to become so different? 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. Yes, some individuals can change a little and pass those changes on to their offspring. 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. 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. These include the amount of genetic variation within a population, the number of evolutionary opportunities that a population has, and the number of genetic mutations that occur within a population. Discover when homo sapiens arrived and their hominid ancestors, such as australopithecines and Homo erectus. Why is it that humans have three different blood groups: A, B, and O? Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. a) Variation b) Normalization c) Extinction. What does the pattern of genetic variation in modern human tell us about the origin and spread of homosapiens? There is no definitive answer to this question, but there are some interesting theories that can be considered. On average, what effect does genetic drift have on the differences between populations? \\ c. They have the same phenotype. Are humans particularly self-destructive when compared to other animals? There are a number of factors that could affect whether a species evolves. 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. Why is sexual selection likely to result in more rapid changes in phenotype than typical natural selection in the same population? 0.48. As many years went by, the environment changed such that the aquatic food sources were much more plentiful than those on land. Give an explanation for your answer. Humans have genetic diversity than chimpanzees. Why did monkeys and lions evolve differently in the same environment? 2. \\ b. 2 are very similar genetically, sharing 99 percent 1 of their genes. a) Yes, all individuals can change a little and pass those. You can specify conditions of storing and accessing cookies in your browser. 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. 1. 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. If variations or mutations are extreme enough, new species can result. New species can eventually emerge with all these new adaptations over generations. 2) The biological species concept. Mediterranean climates like California, with hot and dry summers and cold wet winters . This changed the way that humans reproduced and evolved, which in turn, changed the way that humans look today. Get plagiarism-free solution within 48 hours. b. mutation. A major difference among finch species is in their beaks: both size and shape vary greatly. b. To account for these and other issues, biologists and palaeontologists use a whole raft of different 'species concepts' that can help separate species from one another and also identify new species. Which is important for evolutionary change and why? ways in which gr12 learners could view changes after school in a positive manner, 3 ways relationships can be positive in someones well being. For this topic, please briefly compare and contrast microevolution and macroevolution. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Which of the following is an example of genetic engineering? Now, another group of South American finches known as capuchino seedeaters is helping scientists learn about how, and how fast, evolution works. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. A head of broccoli today is not the same as a head of broccoli 70 years agothey're almost different species. Individual differences with a genetic basis lead to in successive generations. a. Question: Q6.4. Today's AI opinion piece by Kissinger, Schmidt & Huttenlocher is wonderfully thought-provoking. Yes, all individuals can change a little and pass those changes on to their offspring. Explain why only populations evolve but individuals do not. How do you capture a snapshot of evolution as its happening? Q5. 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. 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. According to the diagram, which of the following statements is true? offspring. The smallest and largest snails would be the most likely to reproduce. Bio diversity refers to every living thing, including plants, bacteria, animals, and humans. What are the features of a highly evolved brain? 9.) Use the following passage to answer the next two questions. O The technology behind the atomic bomb only exists because of a cooperative hive mind: hundreds of scientists and engineers. There are two layers to physical appearance - genotype and phenotype. 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 . We've gathered the most relevant information and related questions to: Could individuals of a species look different today chegg? Traits must be inherited from one generation to the next. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Morphology is how an individual looks. But it may be a Herculean task to find out. c. just other multicellular animals and plants. What are the general characteristics shared by all animals? Theyre very easy to distinguish. (Listen to recordings from our Macaulay Library archive: Dark-throated Seedeater, Marsh Seedeater, and Tawny-bellied Seedeater.). Experts are tested by Chegg as specialists in their subject area.