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- CHOOSE THE CORRECT ANSWER 1.) What could be the possible reason why urban region is more vulnerable to Covid-19 than the rural region? a. Urban region has more population than rural region. b. Rural region has more population than urban region. c. Urban region has higher population density than rural region. d. Rural region has higher population density than urban region.Give typing answer with explanation and conclusion 6. In a prospective cohort study, it is found that men who drink alcoholic beverages are more likely to develop lung cancer than men who are not drinkers. However, among smokers the risk for lung cancer among drinkers and nondrinkers is the same. Also, among nonsmokers the risk for lung cancer among drinkers and nondrinkers is the same. In this example, smoking is a(n): a. Confounding variable b. Effect modifier c. Neither of the aboveDiscuss Concepts Many city-dwellers have noted that the density of cockroaches in apartment kitchens appears to vary with the habits of the occupants: people who wrap food carefully and clean their kitchen frequently tend to have fewer arthropod roommates than those who leave food on kitchen counters and clean less often. Interpret these observations from the viewpoint of a population ecologist.
- 1. Answer the following questionsa)How long will it take for a dolphin population to be reduced by 50% if the intrinsic rate of increase is -.04?b)In the last 70 years the blue whale population decreased from 340,280 to 4,727. What is the intrinsic rate of decrease (r)? c)If the current intrinsic rate of increase for blue whales is .1, how long will it take the current population of 4,727 to climb back to 340,280?10 Refer to the figure shown and identify which population is being described in the statements that follow9. Give an example of a negative effect of selective breeding.
- (22) A 35- year old woman and her 35-year old husband come to the physician for genetic counselling after their son is diagnosed with a rare metabolic disease. The carrier frequency of this disorder in the general population is 1 of 100. Assuming Hardy-Weinberg equilibrum, which of the following bst represents the incidence of this condition in the general population (A) 1 of 4000 (B) 1 of 10000 (c) 1 of 16000 (D) 1 of 24000 (E) 1 of 400001.Discuss how developing organism are adapted to the ecological niches in which they developed. Kindly give specific example to support your answer. 2.Distinguish genotype from phenotype. Kindly give specific example. Note: answer number 1 and 2. Thank youWhich of the following statements does not support the conclusion that giraffes are k-selected species? Giraffes are approximately 6' tall and weigh 150 Ibs at birth Wild giraffes begin mating at 6-7 years of age Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth Giraffes rarely give birth to twins.
- Describe a situation in which a population would undergo the bottleneck effect and explain what impact that would have on the population’s gene pool.8. Give an example of a positive effect of selective breeding. (It can be ascertained from the article, our lesson, or the supplemental videos)Among the SDGs, choose three SDGs that you think the achievement of which were greatly hampered by the COVID 19 Pandemic. Explain.
