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A: The explanation is given below.
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Q: Describe the modern theory of evolution and discuss how it is supported by evidence from two of the…
A: Hello! Since you have posted multiple questions, we are answering the first question only. Kindly…
Q: Describe the modern theory of evolution and discuss how it is supported by evidence from two of the…
A: Hello! Since you have posted multiple questions, we are answering the first question only. Kindly…
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Q: Natural selection usually acts on : Genes Individuals The species All of the above
A: Natural selection is the process through which populations of living organisms adapt and change.
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- 1a-Farmers often use pesticides to kill insects to protect their crops. However, insect populations will often develop resistance to any pesticides that are used on them within a few generations. What is the selective pressure in such a scenario? O a. Pesticide treatment O b. The crops Oc. Pesticide resistance Od. The insects Oe. Mutation 1b-What is/are the element(s) required for a population to change due to natural selection? Select all options that are correct below. a. Variability in a population b. Genetic drift c. Inheritance of traits d. Differential survival e. EvolutionYou are exploring the Amazon rainforests before it was completely destroyed. Particularly, you focus on a family of plants that are known to produce chemicals with great medicinal benefit. You sequenced the genomes of several related species and identified the gene, vge (à very good enzymea) responsible for the production of a potential anticancer drug. On the right is the schematic of the genomic region where the vge genes resides. You found that different species have different number of the vge genes. For example, the genome of spécies A (Sp. A) carries three copies of vge genes (vge-A, vge-B, and vge-C). Although they all encode the VGE enzyme and have the same function, their DNA sequences are not entirely identical to each other. Based on this observation, you can conclude that vge-A and vge-B are O orthologous to each other O paralogous to each other O analogous to each other O monophyletic to each other O None of the above Sp. A Sp. B Sp. C Sp. D vge-A vge-B vge-A vge-A vge-B…NATURAL SELECTION A. 1 Q # 1. Describe what is happening in figures 1-3. Is the population of mice different in figure 3 than in figure 1? Explain why. 食 Adapted from the University of California, Los Angeles Life Sciences 1 Demonstration Manual Copyright 2008 by Jennifer Doherty and Dr. Ingrid Waldron, Department of Biology, University of Pennsylvania¹ CAS ced by by each complete de So sfir QUA 2 why this 49 M ness is que which Qu 3 yould biologists ha $02. cm/sec. and produce offspring who C Fo C Living things that are well adapted to their environment survive and reproduce. Those that are not well adapted don't survive and reproduce. An adaptation is any characteristic that increases fitness, which is defined as the ability to survive and reproduce. 2. What characteristic of the mice is an adaptation that increased their fitness? ¹ Teachers are encouraged to copy this student handout for classroom use. A Word file (which can be used to prepare a modified version if desired), Teacher…
- 33 As 33 As Light skin pigmentation Arsenic-rich Cold Elevation Short Cholera resistance environment Marine Lactose Malaria diet tolerance resistance climate stature EVOLUTION 4e, Figure 6.28 © 2017 Sinauer Associates, Inc. b) Evolutionary biologists often say that evolution "selects for outcomes" not for the particular genetic changes that lead to that adaptive outcome. Given that perspective, is it surprising that different gene mutations might be involved in the evolution of the same trait (such as light skin or adaptation to living in high mountains)? Why or why not?Explanation 2. Imagine you are a farmer researching the impact of GMFs. What is one advantage and one disadvantage that would be relevant to your work? Explain each. 3. What was the original purpose of Darwin's voyage on the H.M.S. Beagle, and what was the ultimate significance of the voyage? 4. Suggest two ways that a synthetic biologist can change the course of evolution. 5. Explain how natural selection and sexual selection can work together to cause the evolu- tion of large antlers on male moose.n 12 12 of 25 Scientific evidence documents the pattern of evolution. The evidence exists in a variety of categories, including direct observation of evolutionary change, the fossil record, homology, and biogeography. Sort the following examples into the correct categories. Drag each phrase to the appropriate bin. > View Available Hint(s) Reset Help same genetic code in fireflies and tobacco plants similarities in mammalian forelimbs development of drug resistance in bacteria discovery of transitional forms of horses similarity of endemic island species to nearby mainland species vestigial pelvis in right whales discovery of shells of extinct species the high concentration of marsupial species in Australia biogeography direct observation of evolutionary change fossil record homology P Pearson 12:06 PM EX home um ik T Y U home enter 4. B shift end alt ctrl 144
- Zain JO 46ll © N 23% D7:25 Younework 1 17 minutes ago Not yet answered Marked out of 1.00 Question 9 Which of the following is (are) true of natural selection? a. results in descent with modification b. requires genetic variation C. All answers are correct d. involves differential reproductive success CLEAR MY CHOICEAll of the following data types can be used as evidence of shared ancestry except similarities in _______. a. amino acid sequences b. embryonic development c. DNA sequences d. fossil morphologies e. form due to convergent evolutionWhich of the following does not contribute to the study of evolution? a. population genetics b. inheritance of acquired characteristics c. the fossil record d. DNA sequencing e. comparative morphology
- TEKS 7.11C identify some changes in genetic traits that have occurred over several generations through natural selection and selective breeding such as the Galapagos Medium Ground Finch (Geospiza fortis) or domestic animals Supporting Standard L'ebres Darwin's Finches ADAPTIVE RADIATION luda / Frut A Seeds Insects Grba B. Tool Using Finch 1. Which bird represents the species from which all other species evolved from? 2. According to the diagram which genetic trait changed in the finches? 3. What is a likely explanation for the change in trait? 4. A dairy farmer wants to breed cows that produce a large quantity of milk. Which selective breeding process will produce cows that yield large quantities of milk? a. Breeding a bull whose mother produced a large amount of milk with a cow who does not produce a lot of milk. b. Breeding a bull whose mother did not produce a large amount of milk with a cow who does not produce a lot of milk. c. Breeding a bull whose mother did not produce a large…Imagine a population of pea plants growing in Petaluma. 100% of the gene pool is P alleles, for purple flowers. How can white alleles (p) enter this population? Select all the correct answers. O mutation gene flow O genetic drift O natural selectionWhich of the following statements is FALSE about the long-term evolution experiment (LTEE) that you learned about in the Case Study 2 content? a) The LTEE is different from most other studies of evolutionary change within lineages because the "frozen fossil record" allows recovery and further study of ancestors that lived many thousands of generations ago. Ob) The LTEE shows that the evolution of a new trait may occur in several steps, the first of which is the origin of mutations that arise because someday they will make it possible for new traits to manifest and be selected for in a given environment. c) The LTEE reinforces the notion that whether a given mutation is beneficial or deleterious depends on the environment in which the organism lives. O d) The LTEE shows that traits can evolve independently and even repeatedly, but that there are also signs of historical contingency in that they do not necessarily evolve in exactly the same way from a genetic standpoint. e) The LTEE…