Experts are tested by Chegg as specialists in their subject area. In evolution, why is it important that individuals vary from each other? 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 . Could individuals of a species look different today chegg? a) Yes, all individuals can change a little and pass those changes on to their offspring. 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. Why or why not? O What is the reason for the phenotypic differences between individuals of the same species? Natural Selection is an example of a mechanism of evolution. Olfspring must be similar to their parents due to shared genes. b. 2007-2023 Learnify Technologies Private Limited. Nam lacinia pulvinar tortor nec fiscing elit. Could individuals of a species look different today than individuals of the same species did many generations ago? Reproduction is the ability of an organism to create new offspring. Many generations later, almost all the birds had the slightly larger beaks. Be s. Explain why differences in skin pigmentation in human populations can be explained by the theory of evolution and natural selection. c. Humans have similar sets of biological needs d. Humans face simila. Variation allows some individuals to do better than others, so those variations are selected. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring. 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. 1. Experts are tested by Chegg as specialists in their subject area. A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. What are the characteristics that all mammals have in common? (b) Which is important for evolutionary change and why? Why or why not? . Why is sexual selection likely to result in more rapid changes in phenotype than typical natural selection in the same population? Do different species start with a genetic mutation? c. natural selection. She returned every week for 12 weeks to measure survival of tagged lizards. Could individuals of a species look different today than individuals of the same species did many generations ago? Nam lacinia pulvinar tortor nec facilisis. 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. How genetically different must a mutated individual be to be considered a different species? See Answer Explain. Q7. Skin color is not directly tied to race. Explain. What might scientists say about the human, seal, bird, and bat based on this evidence? This is an example of a. sympatric speci, How are humans evolving today? If they are met, natural selection automatically results. Every plant or animal belongs to a species. Are humans particularly self-destructive when compared to other animals? Are humans exempt from natural selection because of the technological nature of our society? For example, these happy face spiders look different, but since they can interbreed, they are considered the same species: Theridion grallator. B. All information of this website is published in good faith and for general information purposes only. Conditions have changed in significant ways everywhere on earth, with some of these changes happening suddenly and others more gradually. What is culture and how does culture differ between human and nonhuman primates? Nam risus ante, dapibus a molestie consequat, ultrices ac magna. 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. 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 All living species de. Why or why not? a) Yes, all individuals can change a little and pass those changes on to their offspring. How are animals that are different species able to reproduce? 2. 11 months ago, Posted Traits must be inherited from one generation to the next. 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 Campagna points out that to a certain degree there may be a cultural element involved, tooa female picks a bird colored like her father or other relatives. The number of this type of rodent will decrease. Donec aliquet, 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. Be sure to discuss both the evolutionary implications/benefits of light skin pigmentation and dark skin pigmentation. (b) How does competition among humans differ from the competition in other animal species? If we share 99% of the DNA of a chimpanzee, why are we so different than the chimpanzee? 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. Consider a population that lacks variation and no individual has any advantageous traits. We are, in fact, remarkably similar. In this position, she presents the maximum cross-sectional area and thus maximizes the air-drag force on her. 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.. 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. Calculate the concentration in units of ppb and determine whether the sample exceeds the legal limit of 10.0 ppb. Amid extreme weather events, many grape growers ask themselves what they can do to adapt their vineyard for climate change. 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. Which of the following is an example of genetic engineering? Learn about capuchino evolution in this short video and article from the New York Times. Most ducks had more wobbing on their foet than their parents. Q5. A population is a group of individuals of the same species. What causes variation in a species? How is knowing how an animal develops important to determining its common ancestor? A few years went by without much rain, and the only species of tree that survived had large seeds. 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. Why are humans so genetically similar? A. Choice (d) is incorrect because it would be possible for this species to evolve over time. The birds' beaks varied in size, with some individuals having slightly smaller beaks and others having slightly larger beaks. Could individuals of a species look different today than individuals of the same species did many generations ago? A mutation is harmful to an organism if it. b. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. There are some phenotypic differences among human populations that reflect adaptation to different environments. C. organism populations can change physically over long periods of time. Popcornflix is a free over-the-top streaming service out there within the US and Canada. In what ways is the human brain different from other species (non-primate and non-human primate)? c)Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Was the final answer of the question wrong? Which form of gene technology is this an example of? Why is it that humans have three different blood groups: A, B, and O? A surprisingly small population could save our species. Tubaro, and I.J. A species of bird ate many types of seeds, each type coming from a different species of tree. Explain how the mechanisms of evolution, such as natural selection, would be at play in the changing of human genes. We store cookies data for a seamless user experience. Happy face spider photos courtesy of Rosemary Gillespie, UC . b. greater the mutation rate will be. 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. Why or why not? By the year 2000, the graph shows the population of light colored moths significantly increasing. 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. Explain why only populations evolve but individuals do not. The males songs are in the same general frequency, but the phrasing is quite different, Campagna explains. These rocks were once below the ocean surface. could individuals of a species look different today. C) albumin Could individuals of a species look different today than individuals of the same species did many generations ago? Discover when homo sapiens arrived and their hominid ancestors, such as australopithecines and Homo erectus. And yet, at the genetic level they are up to 99.97% identical. Why do different genders of the same animal evolve differently? Explain. Different finch species live on different islands. ways in which gr12 learners could view changes after school in a positive manner, 3 ways relationships can be positive in someones well being. E) urea. Why or why not? Do species evolve at a faster rate if they have a larger population due to being more likely to experience genetic mutation? Does the mechanism produce a change in individuals or populations? Q6.5. Could a roman legion defeat a medieval army? Why or why not? The longer that two populations are kept from interbreeding, the: a. more recessive alleles will be expressed.
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