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View History Bookmarks People Window Help 7296 Sun 7:29 x D Blo101NOnlinesylsp2017 x Grades x Take Test: Unit 1 Exam E x de Mail blake2hacmich edu w.netflix.com ecure https://blackboard.cmich.edu/webapps/assessment/take/aunch.jsp?course assessment id _182484 18course id _128390 1&content; ida QUESTION 5 2.5 points Save Ansv A major change in evolutionary patterns over long periods of time is best described as Macroevolution O allopatric speciation directional selection O sympatric speciation QUESTION 6 2.5 points Save Ans is the study of a species' evolutionary history. Natural selection Taxonomy Microevolution O Phylogeny Convergent evolution 2.5 points save Ansv QUESTION 7 are hot spots for the evolution of antibiotic-resistant bacteria and their spread to humans due to excessive use of antibiotics.Explanation / Answer
Q.5- Answer- Macroevolution
Description:Macroevolution is major evolutionary change to the evolution of whole taxonomic groups over long periods of time.
Q.6-Answer-Phylogeny
Description-the development or evolution of a particular group of organisms.Phylogeny refers to the evolutionary history of a taxonomic group of organisms.
Q.7-Answer-Hospitals
Dscription-Antibiotic resistance is a serious public health problem.Some bacteria that are capable of causing serious disease are becoming resistant to most commonly available antibiotics.Antibiotic resistant bacteria can spread from person to person in the community or from patient to patient in hospital.Careful infection control procedures can minimise spread of these bacteria in hospitals.Good personal hygiene can minimise spread of these bacteria in the community.Careful prescribing of antibiotics will minimise the development of more antibiotic resistant strains of bacteria.
Q.8-Answer- Genetic Drift
Description-Genetic drift is the change in the frequency of a gene variant-allele in a population due to randomsampling of organisms.Also known as Sewall Wright effect. Genetic drift may cause gene variants to disappear completely so it reduce genetic variation.
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