could individuals of a species look different today

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. Humans have about the same number of protein-coding genes as do animals such as tunicates that have a very simple body form and few neurons. Yes, when the environment changes, individuals with certain inherited traits survive and will be able to reproduce. Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? Yes, some individuals can change a little and pass those changes on to their offspring. What is the reason for the phenotypic differences between individuals of the same species? Donec aliquet. 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. What is genetic recombination? The male finches are the same shape and size but wear different combinations of about five colors. What makes an animal an animal? individuals of the same species did many generations ago? 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. To put this another way: all humans have the same genes, yet we do not look alike. A mutation is harmful to an organism if it. In what ways is domestication (selection by humans) similar to natural selection, and in what ways is it different? Could individuals of a species look different today than individuals of the same species did many generations ago And it is thought to be one of the alien races in contact with earth. For example, chimpanzees and humans, the skulls of which are shown in Figure 12.2. What does this tell Scientists about Earth's past? A species is often defined as a group of individuals that actually or potentially interbreed in nature. O Yes, some individuals can change a little and pass those changes on to their offspring. Yes, all individuals can change a little and pass those changes on to their offspring. What is an example of a genetic mutation that created a new species in the modern era that humans have documented? Could individuals of a species look different today than copyright 2003-2023 Homework.Study.com. Using one of these four ideas, explain why you do not look like another person in this room. As you know, the scales of these changes are different. 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. b. Q6.5. A. no way to pass environment or acquired characteristics to offspring, only genes. This observation led her to hypothesize that longer horns offer more protection against predation than do shorter horns. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Why is it that physical distinction between genders is more evident in humans than it is in other animals, say, a cat? You can specify conditions of storing and accessing cookies in your browser. Nam risus ante, dapibus a molestie consequat, ultrices a. What causes variation in a species? Which of the following histograms show the correct representation of the snail shell thickness data 4, 7, 2, 5, 4, 3? We will look at multiple ways to update your . a. populations; individuals b. genes; traits c. plants; animals d. traits; genes. The descendants would become a completely different species that would have no similarities to the original individuals. For example, if a species of fish was only exposed to freshwater, they might look different than if they were exposed to saltwater. And their choices may not be entirely governed by genetics. Could the stock market crash be prevented? 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. What is the difference between humans and chimps? What genetic factors increase the resemblance between siblings? If so, how do modern humans differ from them? Peppered moths have wings that vary in color, ranging from white to dark gray. I'm watching with my students! O No, species do not change even after many generations, so individuals of the Why do different genders of the same animal evolve differently? same species would not look different. A. If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. Now, another group of South American finches known as capuchino seedeaters is helping scientists learn about how, and how fast, evolution works. But it may be a Herculean task to find out. Could two genetically perfect humans have all the genetic diversity needed for a species? Could individuals of a species look different today than individuals of the same species looked many generations ago? Posted Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population?A few mosquitoes in the population were resistant to DDT before it was ever used.Mosquitoes in the population learned to adapt to the high levels of DDT in the environment.The mosquito population needed to evolve DDT resistance in order to avoid extinction.Exposure to DDT caused specific, nonrandom mutations for DDT resistance within the population.Use the following passage to answer the next two questions.Ducks are aquatic birds. Why is it that humans have three different blood groups: A, B, and O? A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. This so-called junk DNA does not actually create proteins, but may influence how nearby genes are used. 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. Could a remove () function also be defined for a singly linked list? Explore Darwin's Theory of Evolution by Natural Selection. Q6.5. Could individuals of a species look different today than individuals of the same species did many generations ago? All other trademarks and copyrights are the property of their respective owners. c. just other multicellular animals and plants. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. \\ c. They have the same phenotype. Explain how the mechanisms of evolution, such as natural selection, would be at play in the changing of human genes. 1 See answer Advertisement Harshtsingh Yes, all individuals can change a little and pass those changes on to their offspring. 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. Do animals have the same blood groupings? Why has nature decided to create exactly two genders (for humans and animals) and not 3 or 5 for example? How are animals that are different species able to reproduce? Explain why only populations evolve but individuals do not. Why is genetic variation so important to evolution? Why or why not? a. the development of traits that organisms need in order to become more complex b. gene changes in populations over many generations c. the change that occurs in individuals as they try to survive in their environment d. the. I first wrote about these profound issues in the MIT Tech Review seventeen years ago, and today's piece expounds, expands and updates the inscrutability of AI into the philosophical, geopolitical, sociological and hermeneutical domains, as we spawn a novel crucible of metacognition. c)Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Could individuals of a species look different today chegg? \\ d. They are in the same geographic area. Why is our DNA so similar to all other living organisms? races)? But actually 6 million people have died of COVID. A certain species of rodent eats only one type of plant. 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. The graphs below represent her findings.What can you conclude from the researchers results?The hypothesis that longer horns offer greater protection against predation is supported.The hypothesis that longer horns offer greater protection against predation is NOT supported.The experiment is well designed, but the results are inconclusive about the hypothesis.The experiment is not well designed to test the hypothesis. a) Yes, all individuals can change a little and pass those. d. greater the chance one will go extinct. Why or why not? The Gray's come from a star-system known as Zeti Reticuli; Which is a star system located somewhere in the southern celestial hemisphere. There is no definitive answer to this question, but there are some interesting theories that can be considered. a. C) not all mutations cause visible change. Traits must be inherited from one generation to the next. 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.)? 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. It occurs when groups in a species become reproductively isolated and diverge. If monkeys and humans evolved from a common ancestor, why did we evolve differently? Humans shape their environment in ways that other organisms cannot. Humans shape their environment in ways that other organisms cannot. Are all americans equally able to become engaged in government what factors make it more possible fo? 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. Donec aliquet. On demand UK streaming service with common turnover of in style free movies. Why or why not? 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.)? 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. Changes in evolutionary pathways are related to changes in gene structure and changes in cultural evolution. 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. If mutations arise that affect shell thickness within a snail population, then with crabs present, those mutations:Will result in offspring having thicker shells than their parents.Will result in offspring having thicker or thinner shells than their parents.Will happen because the parents choose to give them to their offspring.Will occur because crabs are present and snails need protection against predation.Q6.4. In animals generally, how much variation do you expect to see within as compared to between different races of a single species? A food source must disappear. Why or why not? This is an example of a. sympatric speci, How are humans evolving today? Be sure to discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation. Explain! The smallest and largest snails would be the most likely to reproduce. Q6.5. Choice (d) is incorrect because it would be possible for this species to evolve over time. Two major equations of hardy-weinberg rule are: p2 + 2pq + q2 = 1 p + q = 1 The p and the q represent the allele frequencies for Happy and Sad respectively. 6. Explain your answer. 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. Skin color is not directly tied to race. How can similar types of genetic mutation occur in different individuals of the same species? Scientists look for those rare instances when a species suddenly diverges, or radiates into multiple forms, each with a different appearance or behavior. 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. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. Pellentesque dapibus efficitur laoreet. 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? Q6.5. It takes a long time for an individual to adapt to its environment. Why do humans, animals, and plants have to evolve reproductive function? - Theory of Evolution & Natural Selection. Variation is the availability of different traits in a population. It is possible that the answer to this question could be found through further research. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. 11 months ago, Posted Show more What are the characteristics that all mammals have in common? Any action you may take upon the information you find on this website is strictly at your own risk. How do animals that live in different environments meet their need for efficient gas exchange? The concept was initially developed by Robert Trivers to explain the evolution of cooperation as instances of mutually . b. just other multicellular animals. 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. 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. 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. C. Variatio. No, species do not change even after many generations, so individuals of the same species would not look different. Access to over 100 million course-specific study resources, 24/7 help from Expert Tutors on 140+ subjects, Full access to over 1 million Textbook Solutions. Over time, the genetic makeup of the two resulting populations becomes more and more different, until each population becomes a separate species. 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. The known types of human species included: 1. Why didn't other animals evolve to become closer to humans in intelligence? 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. The new study identified all the points of difference for nine capuchino species, with a surprising result. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation. 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. Nam lacinia pulvinar tortor nec facilisis. We have the same building blocks, but the instructions on what to do with those building blocks are different among the finches, says Campagna. 2. Question Could individuals of a species look different today than individuals : 425869. They would do this by breeding a Poodle with a Husky. d. Fertile offspring are produced. C. organism populations can change physically over long periods of time. 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. What are the general characteristics shared by all animals? Variation allows some individuals to do better than others, so those variations are selected. What are the general characteristics shared by all animals? Explain why only populations evolve but individuals do not. The billions of human beings living today all belong to one species: Homo sapiens. What are the similarities between humans and other apes? Recently, more and more farmers have discovered that their fields have Roundup-resistant pigweed growing along with their crop. Course Hero is not sponsored or endorsed by any college or university. In what ways has the evolutionary biology of other animals been altered by the presence of human beings? The number of this type of rodent will decrease. Numerous species in the same region must have recently become extinct. 2. However, humans still have significant differences with every species that exists on Earth. 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. The amount of webbing on a duck's feet is a heritable trait. Happy face spider photos courtesy of Rosemary Gillespie, UC . What is the connection between the size of a snail and their ability to reproduce, when around birds? Mutation does not always affect the evolution of a species because A) not all mutations are inherited. One or more species must have recently been introduced to the region. 2. 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? What are the similarities and differences between humans and other mammals such as monkeys and apes? How are the striking similarities among genes that govern development in widely differing species strong evidence for evolution? Many animals share similar characteristics with other animals and also share some features with humans. 2 years ago, Posted Which of the following explains what might happen next? The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. How has evolutionary biology demonstrated that adaptations arise through selection acting on genetic variation? This allows the farmers to spray their fields to get rid of weeds without harming their crops. Could individuals of a species look different today than individuals of the same species did many generations Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. 2007-2023 Learnify Technologies Private Limited. Could pitcher plants genetically evolve or mutate to become similar to small carnivorous animals in the coming years (100, 200 or even 1,000)? Submit Q6.6. Give a reason why animals must be classified. The histograms below show data obtained by a student playing crab in the Darwinian Snails simulation . Could individuals of a species look different today than individuals of the same species did many generations ago? What are the general characteristics of animals? Provide an example of conve. Q7. races)? (b) Which is important for evolutionary change and why? Which of the following is REQUIRED for the process of evolution by natural selection to occur?Offspring must be similar to their parents due to share genes.There must be a sudden environmental change.There must be a predator preying on the species.One or more species must have recently been introduced to the region.Q6.7. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque dapibus efficitur laoreet. C. Variatio. Why or why not? We've gathered the most relevant information and related questions to: Could individuals of a species look different today chegg? How different are the various functional traits among the different species of deer? Which of the following is not part of how we define a species? An ideal solenoid (N1N _ { 1 }N1 turns, length L1L _ { 1 }L1, radius r1)r _ { 1 } )r1) is placed inside another ideal solenoid (N2N _ { 2 }N2 turns, length L2>L1L _ { 2 } > L _ { 1 }L2>L1, radius r2>r1r _ { 2 } > r _ { 1 }r2>r1) such that the axes of the two coincide. All of the following are protective adaptations except one. Why or why not? She couldn't decide if she wanted a Poodle or a Siberian Husky. Mosquitoes in the population learned to adapt to the high levels of DDT in the environment. Q7. What would such an evolutionary development look like? All rights reserved. What are possible reasons for t, Different species of animals rely more heavily on different senses. They are the same species. 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. Why or why not? I will post some . The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. What is the difference between genetic diversity and genetic variation? Do species evolve at a faster rate if they have a larger population due to being more likely to experience genetic mutation? Explain how animal behaviors, including human behaviors, are governed by genetic inheritance. b. mutation. 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 Submit. Could the story animal farm have taken place anywhere else? Could individuals of a species look different today than individuals of the same species did many generations ago? Campagna thinks that force comes from females as they choose among competing males based on color and song. Could individuals of a species look different today than individuals of the same species did many generations ago? a. Do humans experience interspecific competition? Nam lacinia pulvinar tortor nec facilisis. 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. What is convergent evolution? Their songs are different, too. 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? Humans share the same genetic code with: a. just other vertebrates. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Genetic variation within a species can result from a few different sources. Why do humans try to save and treat every human life while other creatures are selected by natural selection? Why or why not? Was the final answer of the question wrong? Use the following passage to answer the next two questions. Explain. When Carolus Linnaeus first came up with his binomial nomenclature taxonomy, all individuals were grouped by morphology. How do changes in DNA affect changes in adaptations? Most people today would classify such forms as different species, and none of these sibling species mate with one another in normal circumstances. e. all living organisms, with just a few exceptions. Learn about human evolution, how modern humans developed. In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. What are the four major ways that humans are affecting other species through our actions? B. Peppered moths have wings that vary in color, ranging from white to dark gray. Their feet are webbed and this trait makes them fast swimmers. Assume that a population of one of these finch . a) Yes, all individuals can change a little and pass those changes on to their offspring. 1. Question Could individuals of a species look different today than individuals of the same species did many generations ago? Q6. In evolutionary biology, reciprocal altruism is a behaviour whereby an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, with the expectation that the other organism will act in a similar manner at a later time.. Does genetic variation makes evolution possible? Is it possible for two different genes to imply different phylogenetic relationships among a group of species? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Yes, all individuals can change a little and pass those changes on to their offspring. What species are humans today? Lettuce, broccoli and spinach may look and taste fairly normal but Studies done in the early 2000 . How do genetic modification variations likely differ from genetic sexual reproduction variations? 1. 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. One species might have trills in different places, another song might be buzzy. Why or why not? Homo sapiens share a common ancestor with primates. Discuss at least five aspects/qualities/traits of non-human primates that are similar and/or different from humans. How do bacteria acquire genetic variation, and how does that differ from the mechanism by which humans acquire variation?

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