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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-testDo the table and the graph conform to the Hardy-Weinberg equilibrium? Explain Generation AA Aa aa A a 0 0.250 0.500 0.250 0.500 0.500 1 0.265 0.480 0.255 0.505 0.495 2 0.255 0.480 0.265 0.495 0.505 3 0.255 0.490 0.255 0.500 0.500Background Information: Before the industrial revolution, the trees in the forest around Manchester, England were a light grey/green due to the color of lichens (fungus) on their trunks. Peppered moths, or Biston betularia, which lived in the area were found in two varieties: 1) Light with dark spots (most common) and 2) Dark with light spots (less common). Because there were not enough resources to support the entire population, the two varieties of this species had to compete for survival. Their coloring, when against a similar background, served as camouflage against predators such as birds and lizards, thus increasing chances of survival. As the Industrial Revolution progressed, the trees became covered with sulfur dioxide, which killed the light-colored lichen and thus turning the tree trunks dark. Problem Questions: Choose only 1 question below to answer in an “If…then” hypothesis. What will happen to the number of light-colored peppered moths as the trees began to darken?…
- Suppose you want to examine the effect of a fertilizer on the size of eggplant produced, and therefore, you need to establish the experimental and control groups. A. What could represent the control group? B. What will be your experimental group? C. What will be the best way to establish a relationship between your two variables?You were tasked to conduct a population genetic survey of a diploid insect population. You obtained tissue samples from 20 individuals, ran a starch gel electrophoresis, and stained the gel for lactate dehydrogenase. Below is the result of your gel electrophoresis. Following up on Question 1, is this insect population in Hardy-Weinberg equilibrium? A. Yes B. No C. No way to tellDraw a graph showing the growth (N) of the populations of both species from time = 0 (also written as t0) to time = 310 (t310) minutes. Draw both populations on the same graph. NB: It will be necessary to plot Chaetoceros sp. on a second y-axis also draw a graph of log10 of the number of both organisms over time (on the same graph as each other but on a different graph from the previous graph). Label the axes and provide a suitable legend.
- The bird in the picture feeds on mice. A major forest fire resulted in a layer of ash that darkened the soil on which the mice lived. The illustration shows the distribution of mice over time. 1 3 Number of Weeks after the Forest Fire Make a claim about why the color distribution in the mouse population changed over time. Provide evidence to support your claim. P Type here to search BANG &OLUFSEN insert %24 3 8. + bac R G H. pause B N ctriIn a population of 500 fruit flies, 250 are genotype RR, 100 are genotype Rr and 150 are genotype rr. Determine the allele frequencies for this gene in this population. Remember that the frequencies should add to 1. Please show your work.Answer the following questions: a. A gene has 2 alleles, R and B. List the possible genotypes. b. If there are 40 individuals in a population and all 40 have the genotype RB, what is the frequency of the R allele? c. If there are 40 individuals in a population and 10 are RR, 20 are RB, and 10 BB, what is the frequency of the R allele? d. If there are 40 individuals in a population and 10 are RR, 10 are RB, and 20 BB, what is the frequency of the R allele?
- Please answer. 1. Do your results match your predictions for a population at Hardy-Weinberg equilibrium? What would you expect to happen to the frequencies if you continue this simulation for 25 generations? Is this population evolving? 2. Consider each of the conditions for the Hardy-Weinberg model. Does the model used to produce generations 1, 2, and 3 meet each of those conditions?Draw a concept outline of the Hardy-Weinberg Principle.GWhat question could be aske X GResearchers can geneticallys X ck X Flock Y Flock Z Total x XVT-FL-EOC-Biology 1 - Edger X genuity.com/Player/ Lab: Natural Selection Assignment: Reflect on the Lab Active Apply the Simulation to the Real World Researchers can genetically select lettuce crops to cultivate for pest resistance. One of the concerns scientists have about genetically selected crops is that some traits for pest resistance may affect the texture of lettuce. What question could be asked to begin this investigation by looking at a measurable dependent variable? * What is the effect of crop selection for pest resistance on the distribution of leaf size in a population of plants? O What is the effect of crop selection for pest resistance on the toughness of lettuce leaves? O What is the effect of crop selection for pest resistance on the sale of green salad in grocery stores? What is the effect of crop selection for pest resistance on the texture most preferred for consumption by…