copyright 2003-2023 Homework.Study.com. Are all americans equally able to become engaged in government what factors make it more possible fo? AnswerGoat.com will not be liable for any losses and/or damages in connection with the use of the website. Could individuals of a species look different today than individuals of the same species did many generations ago? When I was studying nutrition and soil management over 20 years ago, produce could already be classified as "franken-food". a. Could individuals of a species look different today than individuals of the same species did many generations ago? Q6.5. Individuals of this species varied in the amount of webbing in their feet, with some individuals having more webbing and some having less. Donec aliquet. What really fascinates him is how male capuchinos can look and sound very different across species, despite being almost identical genetically. Explain why a single human body is considered to be a mega-diverse ecosystem. Privacy Policy. This changed the way that humans reproduced and evolved, which in turn, changed the way that humans look today. Why or why not? What causes variation in a species? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 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. Did doc holliday actually shoot johnny ringo? Why are humans so genetically similar? 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 . Q6. O Yes, some individuals can change a little and pass those changes on to their Why or why not? What is genetic recombination? Calculate the concentration in units of ppb and determine whether the sample exceeds the legal limit of 10.0 ppb. B. And it is thought to be one of the alien races in contact with earth. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. What species are humans today? 2. A characteristic of an organism that can change in res. Why is our DNA so similar to all other living organisms? Lovette. We can learn a lot from these instances of fast speciation, says Cornell Lab scientist Leonardo Campagna, who has studied these finches for 10 years. Submit, Explore over 16 million step-by-step answers from our library, , dapibus a molestie consequat, ultrices ac magna. The bacteria have become resistant over several generations. Fusce dui lectus, congue v, e vel laoreet ac, dictum vitae odio. Here's how it works. When Carolus Linnaeus first came up with his binomial nomenclature taxonomy, all individuals were grouped by morphology. not? 1. The descendants would look the same as the original individuals because species do not change. Why or why not? What is biological evolution? Mice & Keyboards. How are modern humans distinct from Paranthropus robustus? Traits must be inherited from one generation to the next. What is the difference between genetic diversity and genetic variation? 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 test this hypothesis, the researcher tagged 20 lizards with long horns and 20 lizards with short horns in each of two locations: Desert Valley, where there are no predatory birds, and Cactus Corner, where there are predatory birds. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Could a remove () function also be defined for a singly linked list? a. d) No, species do not change even after many generations, so individuals of the same species would not look different. It's not clear based on the DNA evidence whether the 13 species arose from a single migration of one species or multiple migrations of several species from the mainland to the islands. While it took more than 2 million years for Darwins finches to evolve into their present forms, nine capuchino species (in the genus Sporophila) have appeared in the last 500,000 to 1 million years. Explain. Evolutionary biologists often compare the morphological features of different organisms to look for relationships to determine how they have changed over time. Donec aliquet. Done, onec aliquetpulvinar tortor nec facilisis. Posted Why do different genders of the same animal evolve differently? It may create animals that cannot reproduce. In contrast, humans have many more microRNA molecules (miRNAs) than these animals. No, species do not change even after many generations, so individuals of the same species would not look different. Do monkeys vary in similar ways? What will most likely happen to the population in terms of natural selection? For this topic, please briefly compare and contrast microevolution and macroevolution. b. Humans all share the same cultural knowledge and beliefs. Q7. Why? For example, when humans first migrated to North America, they were faced with a new environment with different plants and animals. To put this another way: all humans have the same genes, yet we do not look alike. It takes a long time for an individual to adapt to its environment. In what ways is the human brain different from other species (non-primate and non-human primate)? As you know, the scales of these changes are different. Submit your documents and get free Plagiarism report, (Rate this solution on a scale of 1-5 below). Q6. Q8. Different finch species live on different islands. Why are there so many different ways to define a species? The left arm of a human, the front flipper of a seal, the wing of a bird, and the wing of a bat have the same structure and order of bones. Nam lacinia pulvinar tortor nec facilisis. c. just other multicellular animals and plants. What is the connection between the size of a snail and their ability to reproduce, when around birds? Why does diversity between individuals and between species create problems for determining what is a species and what is a variant? Selection acts on variation in ______; however, evolution depends on variation among _______. What makes modern humans (Homo sapiens) unique in terms of our biological and cultural adaptations? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. c. Humans have similar sets of biological needs d. Humans face simila. Could individuals of a species look different today than individuals of the same species did many generations ago? Humans share common biological constraints b. b. 3 days ago. There must be a sudden environmental change. Homo neanderthalensis ("Man from the Neander Valley"): Also known as Neanderthals, these humans lived in western Asia and Europe. Pellentesque dapibus efficitur laoreet. (a) Two or more unrelated species change independently of each other and the environment in which they live (b) Two or more related species change to become less similar due to living in different environments (c) Two or more. No. Why do all animals, both vertebrates and non-vertebrates, share the same hox genes? 2. Are humans particularly self-destructive when compared to other animals? If two species look alike, live in different places, but are not genetically related, it is probably a case of _______. Give an explanation for your answer. There are some phenotypic differences among human populations that reflect adaptation to different environments. a) Yes, all individuals can change a little and pass those changes on to their offspring. a) Variation b) Normalization c) Extinction. But actually 6 million people have died of COVID. 6. Campagna thinks that force comes from females as they choose among competing males based on color and song. Yes, all individuals can change a little and pass those changes on to their offspring. \\ have many common physical and behavioral characteristics. Why did some primate species develop sexual swellings while others didn't? What is the reason for the phenotypic differences between individuals of the same species? 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. Genetic variations that alter gene activity or protein function can introduce different traits in an organism. By what mechanisms have we evolved into distinct species? C. What are the general characteristics shared by all animals? Olfspring must be similar to their parents due to shared genes. One theory is that individuals of a species could look different today if they were exposed to different environmental conditions. Why are humans so different from other animals? The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. She returned every week for 12 weeks to measure survival of tagged lizards. Using one of these four ideas, explain why you do not look like another person in this room. Yet why do some races seem to have darker (or lighter) skin tones than others? 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. Why are animals shaped differently in cooler climates than in warmer ones? a) Yes, all individuals can change a little and pass those changes on to their offspring. Do any of our fossil relatives or other species share some aspects of this unique set of characteristics? Doctors find that a certain type of antibiotic is no longer effective against the type of bacteria it used to kill. 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. The male finches are the same shape and size but wear different combinations of about five colors. What are possible reasons for t, Different species of animals rely more heavily on different senses. 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. Explain why only populations evolve but individuals do not. Traits must be inherited from one generation to the next. Peppered moths have wings that vary in color, ranging from white to dark gray. 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. To continue further with th. Could a roman legion defeat a medieval army? To put this another way: all humans have the same genes, yet we do not look alike. A. Question: Q6.4. Why is it that humans have three different blood groups: A, B, and O? The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. Could individuals of a species look different today than individuals of the same species did many generations ago? Why or why not? No other species has ever wielded such power, and no species could. Why or why not? Subscribe now. c. more they will differ from one another in adaptations. A few years went by without much rain, and the only species of tree that survived had large seeds. Repeated divergent selection on pigmentation genes in a rapid finch radiation. Horned lizards use their horns to defend against predatory birds. How do changes in DNA affect changes in adaptations? In what ways is domestication (selection by humans) similar to natural selection, and in what ways is it different? Q5. why did dinosaurs evolve earlier than humans? She likes certain aspects of both types of dog. The longer that two populations are kept from interbreeding, the: a. more recessive alleles will be expressed. d. greater the chance one will go extinct. All living species de. All information of this website is published in good faith and for general information purposes only. On demand UK streaming service with common turnover of in style free movies. A species is a population of plants or animals that can breed to produce offspring that can then produce offspring themselves. The three conditions for natural selection are variation, selection, and reproduction. Speciation is the process by which new species form. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. c) Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. How does the human epidermal layer differ from that of other animals such as dogs and cats? Why do human bodies look so different across the planet? How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. 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. What are they doing that causes a shift in the gene frequencies for "desirable" traits? Human childhood is much longer than that of other animals; therefore, other animals rely only on their genetic information. Proposals that one type of animal, even humans, could descend from other types of animals, are known to go back to the first pre-Socratic Greek philosophers. 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. However, only around 1.2 million species have been identified and described so far, most of which are insects. This is where terms like 'heterozygous' come into play. Why or why not? C. Variatio. What are the features of a highly evolved brain? The current 13 finch species are the only species that survived. 2. Lorem ipsum dolor sit amet, consectetur adipiscing elit.