11 months ago, Posted In animals generally, how much variation do you expect to see within as compared to between different races of a single species? Which of the following is TRUE about how environmental conditions have changed since the time life began on earth? a) Yes, all individuals can change a little and pass those changes on to their offspring. 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. 2007-2023 Learnify Technologies Private Limited. What are the general characteristics shared by all animals? 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. Olfspring must be similar to their parents due to shared genes. There are two layers to physical appearance - genotype and phenotype. 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. The amount of webbing on a duck's feet is a heritable trait. Are humans exempt from natural selection because of the technological nature of our society? Why or why not? Q7. How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. Theyre very easy to distinguish. (Listen to recordings from our Macaulay Library archive: Dark-throated Seedeater, Marsh Seedeater, and Tawny-bellied Seedeater.). All living species de. How do changes in DNA affect changes in adaptations? 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. Could individuals of a species look different today than individuals of the same species did many generations ago? Genetic variation within a species can result from a few different sources. This is because the different environments would cause different changes in the fish's appearance. 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. 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. By what mechanisms have we evolved into distinct species? Is it through mutation? Learn about human evolution, how modern humans developed. b) Yes, some individuals can change a little and pass those changes on to their offspring. 6. This changed the way that humans reproduced and evolved, which in turn, changed the way that humans look today. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Which of the following is NOT an example of gene technology? 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. Donec aliquet. 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. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of wobbing on their feet as their parents. Why is it that a population is the unit of evolution rather than the individual? If monkeys and humans evolved from a common ancestor, why did we evolve differently? 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. Be as specific as possible. Could individuals of a species look different today than individuals of the same species did many generations ago? Why or why not? Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. But we are much more alike than we are different. Why is it necessary to take enough time before making a decision? Could individuals of a species look different today than individuals of the same species did many generations C. organism populations can change physically over long periods of time. How is knowing how an animal develops important to determining its common ancestor? Why or why not? Variation allows some individuals to do better than others, so those variations are selected. Genotype is the written instructions for appearance based on the DNA. c) Yes, some. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Explain the mechanisms of genetic variation. What are the 2 main reasons for variation between organisms of the same species? Could individuals of a species look different today than individuals of the same species did many generations ago? It may create animals that cannot reproduce. Over many generations, more beneficial traits will become more _____ since the organisms with those traits are better able to survive and _____. 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. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is rearranged as a cell is getting ready to divide (known as genetic recombination). (a) convergent evolution (b) divergent evolution (c) evolutionary cyclicity (d) uniformitarianism. What really fascinates him is how male capuchinos can look and sound very different across species, despite being almost identical genetically. How do humans influence animal evolution? Homo neanderthalensis ("Man from the Neander Valley"): Also known as Neanderthals, these humans lived in western Asia and Europe. How are humans able to affect and alter the phenotypes of other organisms through artificial selection? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. 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. Do species evolve at a faster rate if they have a larger population due to being more likely to experience genetic mutation? And yet, at the genetic level they are up to 99.97% identical. To put this another way: all humans have the same genes, yet we do not look alike. p2: homozygous dominant (sad) 2pq: heterozygotes (sad) Q2 heterozygous recessive (happy) This is an scenario of what could occur. According to the diagram, which of the following statements is true? b. greater the mutation rate will be. The different color genes could be turned on at a certain time, or turned off, be slightly on, or slightly off. Could individuals of a species look different today than individuals of the same species did many generations ago? What causes variation in a species? b. mutation. Could individuals of a species look different today than individuals of the same species looked many generations ago? 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. Some organisms may be very closely related, even though a minor genetic change caused a major morphological difference to make them look quite different. To know more check the Campagna, L., M. Repenning, L.F. Silveira, C.S. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. Using one of these four ideas, explain why you do not look like another person in this room. Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today? What characteristics are unique to mammals? C) albumin Which of the following is REQUIRED for the process of evolution by natural selection to occur? Why does natural selection occur more in animals than humans? Numerous species in the same region must have recently become extinct. d. Fertile offspring are produced. In sympatric speciation, groups from the same ancestral population evolve into . Human-made tools of prehistoric times 2.5 million years ago show that humans began to memorize information in steps. Explain why monotremes are unique mammals. Submit, Explore over 16 million step-by-step answers from our library, , dapibus a molestie consequat, ultrices ac magna. 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. 2 years ago, Posted They are the same species. What causes variation in a species? Because scientists are witnessing capuchino finch evolution in mid-stride, the outcome is still a mystery. All rights reserved. Do any monkey species have different races similar to humans? In evolution, why is it important that individuals vary from each other? Explore Darwin's Theory of Evolution by Natural Selection. Explain your answer. What is the reason for the phenotypic differences between individuals of the same species? The existence of play in non-human animals is a direct challenge to old-fashioned scientific ideas. What is a distinguishing factor that separates mammals from other animals? Why or why not? Q6.6. What are the general characteristics shared by all animals? Choices (a) and (b) are incorrect because acquired changes in individuals are not commonly passed on to the next generation. 1. Skin color is not directly tied to race. E) urea. When I was studying nutrition and soil management over 20 years ago, produce could already be classified as "franken-food". The descendants would look the same as the original individuals because species do not change. c. Its populations can interbreed. Another theory is that individuals of a species could look different today if they had different genetic mutations. b. Evolution only occurs in a very large gene pool. Pellentesque dapibus efficitur laoreet. Humans shape their environment in ways that other organisms cannot. These rocks were once below the ocean surface. Could the story animal farm have taken place anywhere else? DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Mice & Keyboards. In this position, she presents the maximum cross-sectional area and thus maximizes the air-drag force on her. 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. a) Yes, all individuals can change a little and pass those changes on to their offspring. Which form of gene technology would be the best for this example? Evolution is a biological term that can . But actually 6 million people have died of COVID. Their feet are webbed and this trait makes them fast swimmers. How does competition among humans differ from competition in other animal species? Fusce dui lectus, congue v, e vel laoreet ac, dictum vitae odio. CHOOSE ALL THAT APPLY! 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. Many generations later, almost all ducks had more webbing on their feet. The pigweed has evolved to withstand the Roundup. 2. Popcornflix is a free over-the-top streaming service out there within the US and Canada. The Gray's come from a star-system known as Zeti Reticuli; Which is a star system located somewhere in the southern celestial hemisphere. b. A) Species with low genetic variation go extinct. In this sense, a species is the biggest gene pool possible under natural conditions. Discuss at least four characteristic traits of primates that other mammals do not share. (b) Which is important for evolutionary change and why? A species is a population of plants or animals that can breed to produce offspring that can then produce offspring themselves. Did doc holliday actually shoot johnny ringo? d) No, species do not change even after many generations, so individuals of the same species would not look different. Owned by the same company as Crackle, it's full of low-budget style films. A large population of animals is split in two by a physical barrier. If we share 99% of the DNA of a chimpanzee, why are we so different than the chimpanzee? 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. 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. There are some phenotypic differences among human populations that reflect adaptation to different environments.
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