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. . Which of the following is NOT an example of gene technology? 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. However, only around 1.2 million species have been identified and described so far, most of which are insects. Was the final answer of the question wrong? A food source must disappear. I've rounded off in many locations to ensure that the sum of allele frequencies and genotypes will be one and the number of bears will be a whole number. 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. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. Explain why only populations evolve but individuals do not. New species can eventually emerge with all these new adaptations over generations. 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 . Homo neanderthalensis ("Man from the Neander Valley"): Also known as Neanderthals, these humans lived in western Asia and Europe. Why is a convoluted brain better than a smooth one? (EQ: 9, 13) Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Q6.5. In animals generally, how much variation do you expect to see within as compared to between different races of a single species? A surprisingly small population could save our species. Could individuals of a species look different today than individuals of the same species did many generations ago? A few mosquitoes in the population were resistant to DDT before it was ever used. Explain why only populations evolve but individuals do not. What makes humans so different from the rest of the species on the planet? Homo sapiens share a common ancestor with primates. races)? Finally, discover cousin species like Homo neanderthalensis. During the Industrial Revolution through the mid-20th century, factories and power plants, which burned coal, produced large quantities of soot and smog. Is it a survivor bias? What are the 2 main reasons for variation between organisms of the same species? In evolutionary terms, thats life in the fast lane. Could individuals of a species look different today than individuals of the same species did many generations ago? A scientist is studying embryos from two different species. If variations or mutations are extreme enough, new species can result. How do you capture a snapshot of evolution as its happening? Reduction of the burning of fossil fuels (coal). 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. If a species is evolving, when is it considered a new species different from the organism it evolved from? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Assume that a population of one of these finch . The central ideas of evolution are that life has changed over time and different species share common ancestors. Q5. (b)(b)(b) If the drag force is given by bv2b v^2bv2, what is the value of bbb ? b. Could individuals of a species look different today than individuals of the same species did many generations ago? D) not all mutations affect an entire species. A. \\ do not interbreed extensively. b. Why or why not? Human-made tools of prehistoric times 2.5 million years ago show that humans began to memorize information in steps. What are the impli. Nam lacinia pulvinarsltesque dapibu,
consectetur adipiscing elit. Some populations are innately superior to others, because they have what it takes to prevail in those environments. Q5. The light moths declined in number and the dark colored moths increased in number. Nam lacinia pulvinar tortor nec facilisis. 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. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Learn about capuchino evolution in this short video and article from the New York Times. A characteristic of an organism that can change in res. Provide an example of conve. Mutation does not always affect the evolution of a species because A) not all mutations are inherited. 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. Natural selection makes an adaptive trait more common in a population. Pellentesque dapibus efficitur laoreet. \\ c. They have the same phenotype. Why or why not? 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. Explain why a single human body is considered to be a mega-diverse ecosystem. 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. For example, these happy face spiders look different, but since they can interbreed, they are considered the same species: Theridion grallator. 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. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. *. Nam risus ante, dapibus a molestie consequat, ultrices a. And their choices may not be entirely governed by genetics. Privacy Policy. How is this best explained? It occurs when groups in a species become reproductively isolated and diverge. And yet, at the genetic level they are up to 99.97% identical. The bacteria have become resistant over several generations. Miriam wanted a new pet. There is some debate over whether individuals or the population adapt to change. copyright 2003-2023 Homework.Study.com. d. greater the chance one will go extinct. Lorem ipsum, amet, consectetur adipiscing elit. It is reproductively isolated from other species. 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. How does genetic variation help a population survive in the face of changing, uncertain environments? What are the general characteristics of animals? C. organism populations can change physically over long periods of time. What is the reason for the phenotypic differences between individuals of the same species? What species are humans today? 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. What are the similarities and differences between humans and other mammals such as monkeys and apes? Fusce dui lect, , dictum vitae odio. What are the general characteristics shared by all animals? \\ have many common physical and behavioral characteristics. c. Humans have similar sets of biological needs d. Humans face simila. Popcornflix is a free over-the-top streaming service out there within the US and Canada. Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. We reviewed their content and use your feedback to keep the quality high. 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. Campagna says, What were learning from these studies is that you dont need to be different across the entire genome to look different and behave differently. The correct answer is (c) Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Individual differences with a genetic basis lead to in successive generations. 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. By what mechanisms have we evolved into distinct species? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. All other trademarks and copyrights are the property of their respective owners. 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. Pellentesque dapibus efficitur laoreet. Amid extreme weather events, many grape growers ask themselves what they can do to adapt their vineyard for climate change. For example, chimpanzees and humans, the skulls of which are shown in Figure 12.2. Yes, all individuals can change a little and pass those changes on to their offspring. Why are animals shaped differently in cooler climates than in warmer ones? These structures do not look alike and are not used in the same way, but their bones are similar. A disease attacks those plants and wipes them out. 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. Q6.5. c. more they will differ from one another in adaptations. Be sure to discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation. Do animals have the same blood groupings? Individuals of this species varied in the amount of webbing in their feet, with some individuals having more webbing and some having less. See Answer a)Yes, all individuals can change a little and pass those changes on to their offspring. There are at least 4 different ways that humans have genetic variation, a. Choice (d) is incorrect because it would be possible for this species to evolve over time. 9.) How can similar types of genetic mutation occur in different individuals of the same species? Explain. Donec aliquet. Are humans subject to the same pressures of natural selection as other organisms? Could individuals of a species look different today than individuals of the same species did many generations ago? Why is it that physical distinction between genders is more evident in humans than it is in other animals, say, a cat? If monkeys and humans evolved from a common ancestor, why did we evolve differently? Explore Darwin's Theory of Evolution by Natural Selection. Why is it harder for human babies to be delivered than other animals? Our experts can answer your tough homework and study questions. To know more check the offspring. Give an explanation for your answer. Explain! Why are humans so different from other animals? Be as specific as possible. Donec aliquet. What is the difference between genetic diversity and genetic variation? What is culture and how does culture differ between human and nonhuman primates? Why are humans so different from other animals? A) sodium ions I'm watching with my students! There are surprisingly large genetic differences between individuals from the same population; indeed, recent mitochondrial DNA evidence shows greater variation within regional populations than that shown between historical human races. Skin color is not directly tied to race. Submit Q6.6. Proponents of the adaptation argument argue that individuals adjust and adapt to new situations and conditions, while opponents argue that the population as a whole adapts, which can lead to unforeseen consequences. Speciation is the process by which new species form. There must be a sudden environmental change. At an early stage of development, both species have the same embryonic tissues, but it disappears in one of the species at a later time. The three conditions for natural selection are variation, selection, and reproduction. D. modifications in an individual are caused. Are DNA mutations and natural selection two different mechanisms of evolution? Course Hero is not sponsored or endorsed by any college or university. The descendants would look the same as the original individuals because species do not change. a) Yes, all individuals can change a little and pass those changes on to their offspring. b) Yes, some individuals can chang; races)? Why does natural selection only act on heritable variation? 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. One of the requirements for the process of natural selection to occur is that there be variation among organisms. You can specify conditions of storing and accessing cookies in your browser. individuals of the same species did many generations ago? Do different species start with a genetic mutation? What are the differences between a monkey and a human? 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. All rights reserved. AnswerGoat.com will not be liable for any losses and/or damages in connection with the use of the website. What are the similarities between humans and other apes? This is where terms like 'heterozygous' come into play. c) Yes, some. If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. It is possible that the answer to this question could be found through further research. Why has nature decided to create exactly two genders (for humans and animals) and not 3 or 5 for example? Yes, some individuals can change a little and pass those changes on to their offspring. AnswerGoat.com does not many any warranties about the accuracy, completeness or reliability of this information. Could individuals of a species look different today than individuals of the same sspecies did many generations ago? Why is our DNA so similar to all other living organisms? Why or why not? What is the reason for the phenotypic differences between individuals of the same species? Explain why only populations evolve but individuals do not. Are humans subject to the same pressures of natural selection as other organisms? In Europe, dark peppered moths were rare before the 1850's and light colored moths were plentiful. Could the story animal farm have taken place anywhere else? Their feet are webbed and this trait makes them fast swimmers. Describe what has most likely happened over time to lead to this. Propose an explanation for the return of the light-colored peppered moth population. Difficulties with Darwin's concept tempted a number of people to try to redefine species by means of interbreeding. 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? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. This can result from random processes called genetic drift, or a more adaptive mechanism called natural selection. 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. How does the human epidermal layer differ from that of other animals such as dogs and cats? When I was studying nutrition and soil management over 20 years ago, produce could already be classified as "franken-food". 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. (a) Do humans experience interspecific competition? There are some phenotypic differences among human populations that reflect adaptation to different environments. (b) Which is important for evolutionary change and why? In evolution, why is it important that individuals vary from each other? Yes, all individuals can change a little and pass those changes on to [] Could individuals of a species look different today than individuals of the same species did many generations ago? Near industrialized areas, black powder covered surfaces, including the moth habitat. not? This is because the different environments would cause different changes in the fish's appearance. What is the scientific reason why people around the world have different skin colors? The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. If there is NO VARIATION in shell thickness within a population of snails, and no mutations occur, what happens to shell thickness in response to crab predation?Shell thickness does not evolve in the population.Shell thickness evolves for some snails in the population.Shell thickness increases for all snails in the population.Average shell thickness in the population evolves over several generations.Q6.2. O Yes, all individuals can change a little and pass those changes on to their She returned every week for 12 weeks to measure survival of tagged lizards.
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