) Explain homology, list and explain the different types of homologies (also give examples)and why they provide evidence of common ancestry and explain the significance of homology to the use of animals (and other organisms) inbiomedical research.
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1) Explain homology, list and explain the different types of homologies (also give
examples)and why they provide evidence of common ancestry and explain the
significance of homology to the use of animals (and other organisms) inbiomedical
research.
Step by step
Solved in 3 steps
- Should more weight should be given to genetic data or to information derived from comparative anatomy (phenotypes) in regard to taxonomic classification?Provide at least one illustration of each of the following types of definition:a. Lexicalb. Stipulativec. Theoreticald. Denotativee. Connotativef. Genus and DifferentiaDefine homology and homoplasy and explain their connection to the concept of parsimony in phylogenetic analysis. Provide an example of each and discuss the challenges they may present when inferring evolutionary relationships.
- Choose any fossil hominin species (except Homo sąpiens sapiens) and describe what we currently know about that species, including the information below. • morphological characteristics (cranial traits and post-cranial traits) • any famous fossils and why they are famous • dates relative to other species (in general - chronological order) . lifeways/cultural characteristics (i.e. shelters, tools, hunting & scavenging, etc.) • where they are found (in general – geographic range) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BI Y S Paragraph Arial 10pt A x' X2 ABC QUESTION 62 Choose one of the questions below to answer. Describe least five factors that can influence variation in growth, development, or the timing of events/phases during the human life course. Be sure to describe how each of these factors actually affects patterns of growth, development, and the life course in your answer. or What is the first, second, and third epidemiological transition? How are disease…With improving technology, acquiring DNAsequences from different organisms becomeseasier each year. With that in mind, some authors(e.g., Scotland et al. 2003, Systematic Biology52 [4]: 539–548) have suggested that the use ofmorphological data is less important than DNAsequence data and have called for less emphasison the use of comparative morphology in building phylogenies. Other authors maintain thatdespite the explosion of molecular data available, morphology still has an important role inphylogenetics (for examples, see Wiens 2004,Systematic Biology 53 [4]: 653–661 and Will andRubinoff 2004, Cladistics 20 [1]: 47–55). Whatare the reasons for and against using morphological data in phylogenetic reconstruction?When might morphological data be especiallyimportant?Which of the following is not a characteristic of a dichoto-mous key?(a) The dichotomous key has a “quartet” of statements de-scribing the characteristics of organisms.(b) Each statement is followed by directions to go to an-other pair of statements until the name of the organismis identified.(c) It is the most common type of key used by biologists toidentify organisms based on their characteristics.(d) Paired statements present an “either-or” choice so thatonly one statement is true.(e) a and b.
- With the given name/s or situation, identify the appropriate rule or principle that must be or was considered. Choices: Principle of binomial nomenclature, principle of priority, principle of coordination, principle of the first reviser, principle of homonymy, principle of typification When Rattus as a genus name was established, its species name, Rattus norvegicus was also automatically established. Noctua Linnæus, 1758 (Lepidoptera) and Noctua Gmelin (Sauropsida) Limax maculatus was established in 1837 by Nunneley. However, it was found that Wiktor has already established Limax maximus (Gastropoda) in 1758. Since L. maximus was the senior synonym, it takes precedence over L. maculatus and it was used for the species. The species name of giraffe is Giraffa camelopardalis.I can apply the knowledge of Patterns of Descent withModification from Common Ancestors & The Development of EvolutionaryThought by:Summarize the evidence regarding the sum of evolutionariy modifications from the given putative ancestor form to the derived descendent. Demonstrate some competence and understanding in terms of the taxa involved(List at least three or four of the genera involved as examples) and the anatomical features that were modified over the generations. Fish to tetrapod, Ungulate to whale, ape-like primate to Homo sapiens
- Define the term identification,nomenclature,classification in living world?Which of the following statements is correctly stated? Homology is due to ahared ancestry whereas analogy is due to convergentevolution. Analogy is due to shared anceatry whereas homology is due to convergent evolution. Homology is due to ahared biochemistry whereas analogy is due to shared molecular characteristics. Homology is due to shared morphology whereas analogy is due to shared molecular characteristics. S0000To explain: The relation of the adaptations and the evolutionary change.