a population of geese grow in such a way that each grneration is simply 2.2 times the previous generation. there were 3 geese in the first generation, how many will there be by the 15th generation?
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a population of geese grow in such a way that each grneration is simply 2.2 times the previous generation. there were 3 geese in the first generation, how many will there be by the 15th generation?
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- Give only typing answer with explanation and conclusion Researchers were measuring the % change in range sizes of 42 mammal species over a 50 year period. The values ranged from -14.6% (indicating a decrease of 14.6% in the range size) to +32.1% (indicating an increase of 32.1% in the range size). On average, the mean % change across all the species was +6.3%. To test whether this result differed from the null hypothesis expectation that the mean change would be 0% what test should the researchers use? a) independent sample t-test b) paired t-test c) non-parametric test d) single sample t-testGive typing answer with explanation and conclusion Scientists are trying to estimate the size of a bird species whose local population is 325. Since they cannot see all 325 at once, they will estimate it using mark-recapture methods. They initially capture 64 individuals, mark them, and release them. They then recapture 50. What is the most likely number of MARKED birds in their recapture sample? (You may need to round up or down for the correct answer.) Multiple Choice -50 -1 -10 -5 -0 -253Give typing answer with explanation and conclusion What is the relationship between logistic and exponential growth?
- Give typing answer with explanation and conclusion Why is it important to do more than one capture and release when doing population sampling studies?Give typed explanation not written How can we measure gene flow between discrete populations? a. By estimating the proportion of individuals in the populations that are immigrants. b. By estimating the migration variance (σm2). c. By counting the number of offspring each individual has. d. By counting the number of connected populations.Consider a locus with two alleles (b1 and b2) in a population of bacteria (bacteria are haploid). Assume that b1 individuals have a reproductive rate 8% higher than b2 individuals. The b1 and b2 alleles do not affect survival. Write an equation for the expected generation to generation change in the frequency of the b1 allele.
- Give typing answer with explanation and conclusion It is often said that “an allele that results in fitness losses for both actor and recipient would quickly be eliminated by natural selection”. Explain.(1 question with multiple steps please answer them all) In your own words, describe the difference between continuous and discrete data sets. What is the difference between the independent and dependent variable? How do you determine which goes on which axis on your graph? What are the four types of correlation? How do they differ from one another? In your own words, explain the difference between correlation and causation.for round 1. How many generations did it take for an allele to become fixed in the population? (See the number of generations on the X axis of your graph). for wrinkled 2. How many generations did it take for an allele to become fixed in the population? (See the number of generations on the X axis of your graph). Discuss the difference in the number of generations it took for your alleles to be fixed when you were selecting for round peas vs wrinkled peas. Which took more generations? How big was the difference? What do you think is the reason for this difference?
- EVOLUTION ASSESSMENT - FINCHES Galápagos Ground Finches Between 1973 and 1978, the population of ground finches (a type of small bird) on the Galápagos Islands decreased. Scientists made observations of the population throughout that time period. They recorded and graphed differences in the distribution of traits over time. The two sets of graphs below come from the data they collected. Beak Length for Ground Finches Observed in the Wet Seasons of 1973 and 1978 Wet 1973: all finches # of finches 30 # of finches 25 20 15 10 5 0 30 25 20 15 10 5 12-01 0 $4.9 80-84 30.0- 11.5-11.9 Beak Length (mm) Source: inquiryHub 35.0-39.9 40.0-44.9 12.5-12.9 13.0-13.4 13.5-13.9 14.0- Wing Length for Ground Finches Observed in the Wet Seasons of 1973 and 1978 Wet 1973: all finches 65.0 Wing Length (mm) Source: inquiryHub 70.0-74.9 # of finches 75.0- 30 25 # of finches 20 10 5 0 30 25 20 15 O 10 5 0 Wet 1978: all finches 7.0-74 7.5-7.9 80-8.4 85-80 9.0-94 9.5-9.9 10.0-1 30.0-34.9 10.5-10.9 11.0-11.4…Suppose you are studying an organism that shows strong signs of declining health and reproduction late in its life. What are two hypotheses that could explain this drop in fitness? How might you distinguish between them experimentally?Give typing answer with explanation and conclusion In a village in Quebec the frequency of a common mutant cystic fibrosis allele (CFcf) is approximately 0.025. What is the risk of a gamete carrying the mutant allele in this area?