Q6.5. 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. Why has nature decided to create exactly two genders (for humans and animals) and not 3 or 5 for example? Owned by the same company as Crackle, it's full of low-budget style films. Why or why not? There are at least 4 different ways that humans have genetic variation, a. a. Discuss at least four characteristic traits of primates that other mammals do not share. c. Humans have similar sets of biological needs d. Humans face simila. What is culture and how does culture differ between human and nonhuman primates? The histograms below show data obtained by a student playing crab in the Darwinian Snails simulation . b) Yes, some individuals can chang; Q6.5. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. How are humans evolving today? The amount of webbing on a duck's feet is a heritable trait. 2. Why do humans try to save and treat every human life while other creatures are selected by natural selection? Fontana, P.L. The bacteria have become resistant over several generations. Why or why not? Are DNA mutations and natural selection two different mechanisms of evolution? C) Genetic variation. (a) Two or more unrelated species change independently of each other and the environment in which they live (b) Two or more related species change to become less similar due to living in different environments (c) Two or more. 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. Yes, some individuals with certain traits are more. How are animals that are different species able to reproduce? Could a roman legion defeat a medieval army? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Why or why not? A population is a group of individuals of the same species. Mutation does not always affect the evolution of a species because A) not all mutations are inherited. This changed the way that humans reproduced and evolved, which in turn, changed the way that humans look today. No, species do not change even after many generations, so individuals of the same species would not look different. Select the correct statement(s) that justifies how he arrived at this conclusion. Anaximander of Miletus (c. 610546 BC) proposed that the first animals lived in water, during a wet phase of the Earth's past, and that the first land-dwelling ancestors of mankind must have been born in water, and only spent part of . 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. How does evolution occur in a species? And their choices may not be entirely governed by genetics. Substances larger than ________ are normally not allowed to pass through the filtration membrane. To put this another way: all humans have the same genes, yet we do not look alike. Use the following passage to answer the next two questions. Learn about Charles Darwin's background, what theory he is known for, and what natural selection is. Does the mechanism produce a change in individuals or populations? Difficulties with Darwin's concept tempted a number of people to try to redefine species by means of interbreeding. Humans shape their environment in ways that other organisms cannot. Why do all animals, both vertebrates and non-vertebrates, share the same hox genes? 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? From the Autumn 2017 issue of Living Bird magazine. For example, when humans first migrated to North America, they were faced with a new environment with different plants and animals. Experts are tested by Chegg as specialists in their subject area. Biologists believe that ducks evolved from land birds that did not have webbed feet. D. modifications in an individual are caused. why or why not? This is where terms like 'heterozygous' come into play. The light moths declined in number and the dark colored moths increased in number. 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 a) Yes, all individuals can change a little and pass those changes on to their offspring. See Answer Were the solution steps not detailed enough? (b) How does competition among humans differ from the competition in other animal species? Horned lizards use their horns to defend against predatory birds. Where the Dark-throated Seedeater has a black throat, for instance, the Marsh Seedeaters throat is white and the Tawny-bellied Seedeaters is the same tawny color as its belly. If there is NO SELECTIVE SURVIVAL based on shell thickness within a population of snails, what happens to shell thickness in response to crab predation?The average shell thickness increases within each generation, but there is no change in shell thickness from generation to generation.There is evolution by natural selection of shell thickness, and average shell thickness increases every generation.There may be evolution of shell thickness, but not through natural selection and not necessarily toward thicker shells.There is no change in shell thickness within the population.Q6.3. a) Yes, all individuals can change a little and pass those changes on to their offspring. d. greater the chance one will go extinct. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Explain. Fossils of organisms that lived many years ago, and DNA from the remains of organisms that lived many years ago. Explain. Are abdominal muscles cut in hysterectomy? Could individuals of a species look different today chegg? 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. Could the stock market crash be prevented? You can specify conditions of storing and accessing cookies in your browser. Many animals share similar characteristics with other animals and also share some features with humans. Be s. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. To do this they have inserted a new segment of DNA where the mutated DNA was. Why do humans have some genes in common with bacteria, more genes in common with fish, and even more genes in common with mice? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Why are there so many different ways to define a species? Are humans exempt from natural selection because of the technological nature of our society? Explain. 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. A species is often defined as a group of individuals that actually or potentially interbreed in nature. What are the 2 main reasons for variation between organisms of the same species? Lorem ipsum dolor sit amet, consectetur adipiscing elit. b. greater the mutation rate will be. Using one of these four ideas, explain why you do not look like another person in this room. What is convergent evolution? 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. D) not all mutations affect an entire species. Explanation: Species evolve over time scales/generations, and individuals that possess traits that are advantageous in the current environment can live at a higher frequency and transfer those advantageous traits on to their offspring. AnswerGoat.com will not be liable for any losses and/or damages in connection with the use of the website. Variation is the availability of different traits in a population. Question: Q6.4. In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. Why or why not? A surprisingly small population could save our species. C. How has evolutionary biology demonstrated that adaptations arise through selection acting on genetic variation? There are at least 4 different ways that humans have genetic variation, a. Why are humans so different from other animals? 2) The biological species concept. The Gray's come from a star-system known as Zeti Reticuli; Which is a star system located somewhere in the southern celestial hemisphere. The pigweed has evolved to withstand the Roundup. How does the human body's molecular system differ from dogs? Which kinds of animals are most different from each other: humans or chimpanzees? A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. a) Yes, all individuals can change a little and pass those. What is the difference between humans and chimps? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. A 50.0 mL sample of drinking water was found to contain 1.25 \mug of arsenic. Happy face spider photos courtesy of Rosemary Gillespie, UC . Therefore, the first concept of the term "species" was based on the morphology. Genetic drift b. Gene flow c. Mutation d. Natural selection. 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? (b) Which is important for evolutionary change and why? Submit, Explore over 16 million step-by-step answers from our library, , dapibus a molestie consequat, ultrices ac magna. Could individuals of a species look different today than individuals of the same species did many generations ago? B. There is fossil evidence that this . 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. (b)(b)(b) If the drag force is given by bv2b v^2bv2, what is the value of bbb ? What are the similarities and differences between humans and other mammals such as monkeys and apes? Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. b. just other multicellular animals. During the Industrial Revolution through the mid-20th century, factories and power plants, which burned coal, produced large quantities of soot and smog. Humans all share the same cultural knowledge and beliefs. This is because the different environments would cause different changes in the fish's appearance. ways in which gr12 learners could view changes after school in a positive manner, 3 ways relationships can be positive in someones well being. b. Q6.5. Pellentesque dapibus efficitur laoreet. Explain your answer. Fusce dui lectus, congue vel laoreet ac, d, congue vel laoreet ac, dictum vitae odio. then you've come to the right place! d. just other eukaryotes. Donec aliquet. Nam lacinia pulvinar tortor nec facilisis. Get access to this video and our entire Q&A library, Human Evolution Lesson for Kids: Timeline & Stages. What is a distinguishing factor that separates mammals from other animals? 2. 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. In animals generally, how much variation do you expect to see within as compared to between different races of a single species? Some force other than environmental conditions must be acting upon the males to produce so many species. What is an example of a genetic mutation that created a new species in the modern era that humans have documented? What caused us to become so different? What characteristics do you see in humans, either anatomically or behaviorally, that are still shared with other primates? Biologists believe that ducks evolved from land birds that did not have webbed feet. 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) Variation b) Normalization c) Extinction. Most people today would classify such forms as different species, and none of these sibling species mate with one another in normal circumstances. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Explain why only populations evolve but individuals do not. 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. People who are heterozygous for the sickle-cell allele: Are not susceptible to either sickle-cell anemia or malaria. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Learn about human evolution, how modern humans developed. B. organisms change by acquired characteristics. Their feet are webbed and this trait makes them fast swimmers. Could individuals of a species look different today than individuals of the same species looked many generations ago? It may create animals that cannot reproduce. Pellentesque dapibus efficitur laoreet. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. In sympatric speciation, groups from the same ancestral population evolve into . a. weather. B. Why or why not? Question Could individuals of a species look different today than individuals : 425869. Discuss at least five aspects/qualities/traits of non-human primates that are similar and/or different from humans. c) Yes, some. It occurs when groups in a species become reproductively isolated and diverge. What is the connection between the size of a snail and their ability to reproduce, when around birds? O No, species do not change even after many generations, so individuals of the Autore dell'articolo: Articolo pubblicato: 16/06/2022 Categoria dell'articolo: rockin' the west coast prayer group Commenti dell'articolo: working at charles schwab reddit working at charles schwab reddit What additional genetic factors increase the resemblance between siblings? The known types of human species included: 1. The most well-known example is a group of more than a dozen finch species in the Galapagos. If monkeys and humans evolved from a common ancestor, why did we evolve differently? What is the scientific reason why people around the world have different skin colors? Privacy Policy. 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. 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. A) Species with low genetic variation go extinct. b. mutation. Which of the following is an example of genetic engineering? Explain. 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Variation allows some individuals to do better than others, so those variations are selected. The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . Over one or two generations, beak size among finches increased. e. all living organisms, with just a few exceptions. Lorem ipsum, amet, consectetur adipiscing elit. Be sure to discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation. This problem has been solved! 6. Could a solenoid suspended by a string be used as a compass? Q5. Which of the following is NOT an example of gene technology? Why or why not? A major difference among finch species is in their beaks: both size and shape vary greatly. What makes humans so different from the rest of the species on the planet? races)? Yes, some individuals can change a little and pass those changes on to their offspring. Could pitcher plants genetically evolve or mutate to become similar to small carnivorous animals in the coming years (100, 200 or even 1,000)? 2003-2023 Chegg Inc. All rights reserved. The billions of human beings living today all belong to one species: Homo sapiens. Nam lacinia pulvinar tortor nec facilisis. These rocks were once below the ocean surface. The theory of evolution states: A. better-adapted organism reproduces at a higher rate. The number of this type of rodent will decrease. Why do many animals have different colored feet than the rest of their bodies? They were more muscular than we were and they had bigger brains than we did (or do today). b) Yes, some individuals can chang. 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. Drought caused plants to die. Yes, some individuals can change a little and pass those changes on to their offspring. Evolution is a biological term that can . (EQ: 9, 13) Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Are humans subject to the same pressures of natural selection as other organisms? Doctors find that a certain type of antibiotic is no longer effective against the type of bacteria it used to kill. Explain why only populations evolve but individuals do not. Why or why not? Which of the following explains what might happen next? Why does diversity between individuals and between species create problems for determining what is a species and what is a variant? One theory is that individuals of a species could look different today if they were exposed to different environmental conditions. All information of this website is published in good faith and for general information purposes only. What really fascinates him is how male capuchinos can look and sound very different across species, despite being almost identical genetically. Could individuals of a species look different today than individuals of the same species did many generations ago? A disease attacks those plants and wipes them out. The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. Why is our DNA so similar to all other living organisms? How is this best explained? Donec aliquet. 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. Conditions have changed in significant ways everywhere on earth, with some of these changes happening suddenly and others more gradually. Do humans experience interspecific competition? 2 years ago, Posted Members from different species are not able to give rise to viable offspring. Could individuals of a species look different today than individuals of the same species did many generations Are there such height differences in the animal kingdom? Why did some primate species develop sexual swellings while others didn't? Campagna thinks that force comes from females as they choose among competing males based on color and song. 1. This is a question that has been debated for many years. What makes humans so different from the rest of the species on the planet? What are the impli. As many years went by, the environment changed such that the aquatic food sources were much more plentiful than those on land. Describe what has most likely happened over time to lead to this. Our experts can answer your tough homework and study questions. b) Yes, some individuals can chang; Compared to sexual reproduction, asexual reproduction _____. Recently, more and more farmers have discovered that their fields have Roundup-resistant pigweed growing along with their crop. How different are the various functional traits among the different species of deer? p2: homozygous dominant (sad) 2pq: heterozygotes (sad) Q2 heterozygous recessive (happy) This is an scenario of what could occur. What characteristics are unique to mammals? The current 13 finch species are the only species that survived. The three conditions for natural selection are variation, selection, and reproduction. In evolutionary terms, thats life in the fast lane. Lorem ipsum dolor sit amet, consectetur adipiscing elit. The technology behind the atomic bomb only exists because of a cooperative hive mind: hundreds of scientists and engineers. A geographically continuous population has a gene pool that is relatively homogeneous. Nam lacinia pulvinar tortor nec facilisis. What are the general characteristics shared by all animals? Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today? Choices (a) and (b) are incorrect because acquired changes in individuals are not commonly passed on to the next generation. 2 are very similar genetically, sharing 99 percent 1 of their genes. While it took more than 2 million years for Darwins finches to evolve into their present forms, nine capuchino species (in the genus Sporophila) have appeared in the last 500,000 to 1 million years. Donec aliquet. How do changes in DNA affect changes in adaptations? Which of the following is REQUIRED for the process of evolution by natural selection to occur? Why is it that chimpanzees have 99% the same DNA as humans, yet the one percent distinguishes us to such a degree? A) sodium ions Thoroughly describe an example of each mechanism. From a genetics standpoint, why is there such a huge difference in height among humans? The male finches are the same shape and size but wear different combinations of about five colors. Over time, the genetic makeup of the two resulting populations becomes more and more different, until each population becomes a separate species. Why are there such large differences in the diversity within a clade? 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.
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