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QUESTION 22
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Tiktaalik and Archaeopteryx are very important transitional forms. They provide evidence for evolution through examples of:
a. microevolution
b. macroevolution
c. migration
d. speciation
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- QUESTION 7 Identify the sources of evidence for evolution (select all that apply): A. Fossil evidence B. Direct observation through artificial selection OC. Similarities and differences in DNA D. Shared characteristics among living organisms OE. Common patterns of embryo development F. Biogeographic evidencene table shows the melting temperatures of DNA helices created by hybridizing the DNA of three species: Species A B C A 95°C B 92°C 95°C C 94°C 93°C 95°C D and hogedSeveral very distantly related species (e.g., bats, birds, insects) have evolved the capability of flight. The most recent common ancestor of insects and vertebrates likely lived over 500 million years ago and was flightless. This independent evolution of flight in multiple, distantly related taxa is an example of what evolutionary process/pattern? a. Evolutionary reversal b. Convergent evolution c. Speciation d. Synapomorphy
- Question 3. Phylogenies can represent speciation events due to a. All or any of these b. Prezygotic isolation c. Allopatry and Sympatry d. Postzygotic isolationQuestion 17 Choose the best answer. Shared derived characteristics are: O a. Used only to characterize species of O b. Used to characterize a clade questi O . Characters that are commonly found in all taxa in a specific tree. O d Phenotypically the sameQUESTION 52 The most accurate phylogenies use… a. Analogous characteristics b. Evolutionary reversals c. Homologous characteristics d. Homoplastic characteristics
- Question 11. Why would a slowly evolving gene have limited utility in dating recent divergences? Question 12. Why would a rapidly evolving gene have limited utility in dating divergences that occurred a long time ago?ANSWER THE FOLLOWING ACTIVITY: a. What is Hardy-Weinberg Principle? b. What are the conditions that must be met for genetic equilibrium? LESSON 2 a. What are the various types of reproductive isolating mechanisms that can lead to speciation? b. What are the different modes of speciation? c. Explain how evolution produce the tremendous amount of diversity among organisms. LESSON 3 a. What is scientific classification? b. Why does biologist classify organism? c. Enumerate the scientist and cite their respective contributions in the development of evolutionary thought.Question 2U Which is NOT an example of homoplasious characters? A More than one of these. B Bats and birds are both monophyletic groups with wings. Many species of insects, amphibians, and fish have evolved red and yellow warning coloration to advertise their poisonous skin or organs. Sharks and dolphins have fins and fuselage-shaped bodies, despite sharing a distant common ancestor. E) The amniotic egg is a synapomorphy of terrestrial vertebrates, but has been lost in many groups. Do you have additional content? You can add text, images, and files that support your answers. Last saved 1:07:04 PM Save and Clc P Type here to search 11 Home F9 End F10 PgUp Mx PrtScn F6 F7 F8
- a. What did Darwin's travels reveal to him about the number and variety of living species? b. How did tortoises and birds differ among the islands of the Galapagos? c. What is evolution? Why is referred to as a theory? d. Darwin found fossils of many organisms that were different from any living species. How would this finding has affecting his understanding of lifes diversity?Question 1. What is the most recent estimated time of divergence between invertebrates and vertebrates, based on the ATPase 6 gene? What is the most distant? Question 2. Based on the most recent plausible age, which gene gives the most recent time for the divergence between invertebrates and vertebrates? According to that estimate, how long ago was this? Question 3. Based on the most distant plausible age, which gene gives the most distant time for the divergence between invertebrates and vertebrates? According to that estimate, how long ago was this?There are several other species pairs like these meadowlarks in the Great Plains (orioles, chickadees, yellow-rumped warblers, and flickers). Some are considered separate species and others aren’t, even though they are quite different in physical appearance. What might have geologically isolated these different bird populations, leading to speciation? Group of answer choices A. recent (geologically) continental glaciation B. hurricanes from the Gulf of Mexico C. the Mississippi River D. prairie fires in the spring