Learn about Charles Darwin's background, what theory he is known for, and what natural selection is. c. natural selection. Lorem ipsum dolor sit amet, consectetur adipiscing elit. A few mosquitoes in the population were resistant to DDT before it was ever used. O No, species do not change even after many generations, so individuals of the same species would not look different. Drought caused plants to die. races)? His observations of the embryos lead him to conclude that the species share a common ancestry. 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. But actually 6 million people have died of COVID. Donec aliquet. Why or why not? What changes occur gradually over time that indicate the population is evolving?Within their lifetimes, some individual finches beaks change in size or shape.The proportions of finches having different beak sizes/shapes change across generations.Each finchs learned ability to use its beak is automatically passed on to its offspring.All finches in each new generation develop the same new, improved beak size and shape.Q6.5. Morphology is how an individual looks. Discuss at least four characteristic traits of primates that other mammals do not share. D. modifications in an individual are caused. Fusce dui lect, , dictum vitae odio. Human childhood is much longer than that of other animals; therefore, other animals rely only on their genetic information. Why are humans so different from other animals? Give an example of how these mechanisms have impacted evolution in a species. Course Hero is not sponsored or endorsed by any college or university. b) Yes, some individuals can chang; Compared to sexual reproduction, asexual reproduction _____. Could two genetically perfect humans have all the genetic diversity needed for a species? Horned lizards use their horns to defend against predatory birds. What are the general characteristics shared by all animals? Which of the following is NOT a potential benefit of genetic engineering? How do changes in DNA affect changes in adaptations? A geographically continuous population has a gene pool that is relatively homogeneous. For example, if one individual of a species had a mutation that caused them to have red eyes, while the other individuals of the species had the normal allele for eye color, the individual with the mutation would stand out. Which of the following explains what might happen next? What causes variation in a species? B. environment and acquired characteristics will no affect populations, only individuals C. natural selection c. Since humans evolved, where are all the other human variations resulting from random genetic mutations? Select the correct statement(s) that justifies how he arrived at this conclusion. Are abdominal muscles cut in hysterectomy? Could individuals of a species look different today than individuals of the same species did many generations ago? so you can get an accurate answer to your question. 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. Scientists have estimated that there are around 8.7 million species of plants and animals in existence. B. Explore Darwin's Theory of Evolution by Natural Selection. Why or why not? Do monkeys vary in similar ways? Q6.5. The descendants would look different from the original individuals in some ways, and they would look the same in some ways. Could individuals of a species look different today than individuals of the same species did many generations ago? 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. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation. If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. O Yes, some individuals can change a little and pass those changes on to their offspring. 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. Explain why only populations evolve but individuals do not. She couldn't decide if she wanted a Poodle or a Siberian Husky. Is it a survivor bias? B. organisms change by acquired characteristics. Why is a convoluted brain better than a smooth one? What is a distinguishing factor that separates mammals from other animals? These include the amount of genetic variation within a population, the number of evolutionary opportunities that a population has, and the number of genetic mutations that occur within a population. How do genetic modification variations likely differ from genetic sexual reproduction variations? By the year 2000, the graph shows the population of light colored moths significantly increasing. 1. Which is important for evolutionary change and why? a) Yes, all individuals can change a little and pass those changes on to their offspring. What does the pattern of genetic variation in modern human tell us about the origin and spread of homosapiens? What are the features of a highly evolved brain? Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population? ago? If so, how do modern humans differ from them? Does the mechanism produce a change in individuals or populations? (a) convergent evolution (b) divergent evolution (c) evolutionary cyclicity (d) uniformitarianism. Why is it necessary to take enough time before making a decision? 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. For the past 10 to 25 years, farmers have planted crop seeds that have been genetically modified to withstand treatment with a common weed killer called Roundup. Mosquitoes in the population learned to adapt to the high levels of DDT in the environment. Learn about human evolution, how modern humans developed. No, species do not change even after many generations, so individuals of the same species would not look different. Explain why only populations evolve but individuals do not. 1. why or why not? If a species is evolving, when is it considered a new species different from the organism it evolved from? 9.) B) Low levels of genetic variation may make hybrid species more likely, so neither species will go extinct. 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. A species is often defined as a group of individuals that actually or potentially interbreed in nature. Createyouraccount. 0.48. Nam lacinia pulvinar tortor nec facilisis. Does the question reference wrong data/reportor numbers? Explain why monotremes are unique mammals. Take note of any potential side effects associated with these supplements too - some ingredients could cause allergic reactions or digestive problems if taken in excess amounts, so . Which of the following is REQUIRED for the process of evolution by natural selection to occur? Donec aliquet. Some populations are innately superior to others, because they have what it takes to prevail in those environments. Why do most species eventually evolve sexual reproduction? Question: Q6.4. The known types of human species included: 1. No, species do not change even after many generations, so individuals of the same species would not look different. Explain. How do changes in DNA affect changes in adaptations? \\ vary only very slightly in appearance. Subscribe now. Donec aliquet. 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. Wing bone structures of penguins and other birds are functionally different, but homologous. A) sodium ions Q6. If they are met, natural selection automatically results. How fast can tarantulas move? Answering the following Biology Lab questions.Q6.1. Mediterranean climates like California, with hot and dry summers and cold wet winters . why or why not? Right now, theyre considered separate species because the color and song of males keep them from widely interbreeding. Fontana, P.L. O No, species do not change even after many generations, so individuals of the Why do many animals have different colored feet than the rest of their bodies? Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Human-made tools of prehistoric times 2.5 million years ago show that humans began to memorize information in steps. Could a remove () function also be defined for a singly linked list? 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. Q6.5. 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 are there so many species of monkeys but only one species of human? O Yes, some individuals can change a little and pass those changes on to their What are the impli. Could individuals of a species look different today than individuals of the same species did many generations ago? Privacy Policy. Why or why not? 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. Why is it harder for human babies to be delivered than other animals? Explain the mechanisms of genetic variation. Submit your documents and get free Plagiarism report, (Rate this solution on a scale of 1-5 below). This allows the farmers to spray their fields to get rid of weeds without harming their crops.