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Scenario part 2
- Imagine you, a researcher, return to this same population after 30 years and you see blue, green, yellow, and orange frogs.
Questions part 2
- name 1 key agent of microevolution that could be responsible for the appearance of orange frogs in this population. (just 1)
- name 1 key agent of microevolution that could NOT be responsible for the appearance of orange frogs in this population (just 1)
Step by step
Solved in 2 steps
- QUESTION 7 You are working on an undergraduate project, studying an insect species. A recent study showed that the pigmentation pattern used for camouflage is made by an enzyme K. However, it has been shown that, when compared to the Kk individuals, the KK homozygotes would have a higher chance of dying from pigment overdose before growing up, while the kk individuals can easily fall to predation before becoming adults. In fact, when compared to the Kk individuals, the estimated selection coefficients for KK and kk are 0.25 and 0.5, respectively. You are interested in what would happen to these alleles. At present, you have conducted a population survey and have 1000 larvae in your collection. Among them, 360 are KK, 480 Kk and 160 kk. How many larvae would survive to adulthood? O 170 O 417 583 750 830 (Following up on Question 7.) What would be the KK genotype frequency at the adult stage? O 0.090 O 0.270 O 0.325 O 0.360 O 0.529 QUESTION 8Unit D: Assignment 8A Module 8: Population and Community Dynamics If 15 years ago, 34 of 88 zebra fish had the red colour, has microevolution occurred? Why or why not? 28. A. No. The allele frequency has remained the same. B. Yes. The allele frequency has changed. C. No. The allele frequency has changed. D. Yes. The allele frequency has remained the same. 29 There are particular factors that cause the diversity in a gene pool to change. HoccribedChange in Rabbit Population 1850-2000 100 90 80 70 60 50 40 30 20 10 white gray white gray 1850 2000 In 1850 there was a large snowshoe rabbit population in Manitoba, Canada. Over the years, the winter coloration (the color of the rabbit's fur) of the surviving rabbit population changed. The graph shows the change in winter coloration of rabbits between 185 to 2000. Based on the data, we could hypothesize that A) the winters are longer in length. B) the snowshoe rabbit has migrated to another area. the amount of snow cover varied over the years. D) more snowshoe rabbit predators have moved into Manitoba. % Population
- Question 6 Do all populations of a species have the same life history strategy? O Yes, the life history parameters are entirely species specific O No, populations will have different strategies based on local environmental conditions O Trick question: life history strategies are Phylum specific A Moving to another question will save this response. f7 の f4 fs f6 文 esc $ & 4 6 tab W R Y 米 LL # MDirection: Analyze the situation and tell what limiting factor is being described. Choose in the box below the type of limiting factors. Mortality Natality Emigration Immigration Situation Limiting Factor 1. Every year, there's an increase in the population of migratory birds in Candava. Pampanga. 2. The increase of the population of frogs during rainy days. 3. Russian population decline due to Covid-19 effect. 4. Decrease in the population of birds when they move to another place due to unfavorable weather conditions. 5. The population in the Philippines increases due to teenage pregnancy.Which statments are correct? Question 25 options: Species diversity tends to increase with evapostranspiration Species diversity tends to increase with when parasitism is low Species diversity tends to increase with island area Species diversity tends to be higher when disturbance frequency is low Species diversity tends to increase with decreasing latitude
- FOLLOW THE GIVEN QUESTION! Design your own concept of bioremediation. Think of a plant or species in your locality that can fit as remediators.Scenario 2In the year 2015, another group of scientists studied the squirrel coat color and found that the population of squirrels had increased. They found 850 squirrels in the same area, of which 115 had a red coat. Assume that the population is in Hardy Weinberg’s equilibrium. 5B. What is the frequency of the recessive allele?(Put your answer here rounded to the nearest hundredth)Question 9 How could a metapopulation in a source habitat go extinct when the population is at a low density? O random chance all individuals die O there are not enough resources for the individuals O there are too many resources for the individuals O there is too much competition A Moving to another question will save this response. 米 f6 17 esc 二 % 2 Q W Y U # M
- Scenario 1In the 1960s, a population of squirrels (Sciurus carolensis) was being studied in Alabama and the coat color of the squirrels was found to range from the more common gray color (dominant) to the less common red color (recessive). When they sampled an area, they found 536 gray squirrels and 64 red squirrels. Assume that the population is at Hardy-Weinberg equilibrium. 2A. Show your work to find the frequency of the dominant allele.Question 12 Multiple Answer Charles Darwin made some key observations that helped him formulate his hypothesis about how selective pressures from the environment might lead to adaptation and evolutionary change. Which of the following were some of his key observations? Select ALL that apply. O Individual islands within the archipelago had their own unique, and sometimes unusual species that were well adapted to that particular island's environment. O He saw 13 different types of finches that possessed beaks and diets very different to the common finch species present on mainland Ecuador. O Darwin stayed in the Galapagos Islands for many years, to directly observe how allele frequencies in different finch species changed in response to wet and dry seasons. O Different populations of giant tortoises whose shell shape and neck length helped them collect and consume specific leaves present on the different islands. O He employed Mendel's Laws of Inheritance to track how genes were passed…Question 11 What does this figure illustrate? black rat snake gray rat snake (E. o. spiloides) (E. o. obsoleta) yellow rat snake (E. o. quadrivittata) O 300 600 km Everglades rat snake (E. o. rossalleni) Texas rat snake (E. o. lindheimeri) all answers (above and/or below) species diversity genetic diversity ecosystem diversity answer not shown