350 300 C 250 200 150 В 100 A 50 10 20 30 40 50 60 70 Time (number of generations) In the above graph, which population or populations have the highest r? O Species B. Species C. Species A. Population Size
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- Changes in a population of Monkey-eating eagles are shown in the graph below. Referring to labeled X, which statement best explains the section of this graph? X Time a. Resources are extremely high while predation is low O b. The Monkey eating eagles are no longer in competition for resources with other species O C. The monkey eating eagles population has reached its carrying capacity o d. Interbreeding is occurring between members of different species Population sizeBelow is a table that shows the changes in a population of domesticated rabbits. What is the most likely explanation for why size of the rabbit population remained relatively constant from 1990-1992? Year 1986 1987 1988 1989 1990 1991 1992 Population 601 732 769 800 816 815 816 O a. The population suffered from a new disease O b. A new predator was introduced c. The rabbit's prey source was killed off due to hunting o d. The population reached its carrying capacityUse the graphs to answer the question below. In each of the figures, the x-axis represents time, and the y-axis represents population size. The solid line is population size of Species 1; the dashed line is population size of Species 2. ir is Le asA А. В. С. D. The population represented by the solid line on Graph A above is growing... O Exponentially O Logistically
- Look at the graph below. Grasshopper Population in Grassland < Green Grasshoppers- Brown Grasshoppers 80 60 40 20 Generation 1 Generation 2 Generation 3 Generation 4 Generation 5 Explain what is happening in the graph prior to generation 3. Edit View Insert Format Tools Table 12pt v Paragraph BIU Av ev T?vChange 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. % PopulationThe life table below is for a species of lizard. Use it to answer the questions below. It can be copied and pasted in excel or downloaded here. What is the intrinsic rate of increase of this population? nx bx 678 1 102 31 3 19 10 4 14 12 5 12 12 6 10 14 7 10 10 8 8 11 9 7 10 1.89 0.053 O 1.32 0.51
- In a graphing paper, construct age structure diagrams for country A and B using the given data below. Label your graphs completely. Use the following color as your legend: purple: pre-reproductive, green: reproductive and blue: post-reproductive. A B Total population (millions) 140 80 Pre-reproductive 45 12 Reproductive 92 47 Post-reproductive 3 21 a. In which of the countries above would you expect to see a rapid increase within the next few generations? Why? b. Imagine that the graphs show populations of two different species that people want to protect. Which species is likely to need the most protection and management in the near future? Why?A large conservation agency in Austria is interested in the status of the endangered newt species, Triturus austriacus, and wants you to estimate population sizes. Describe at least two methods based on genetic markers such as microsatellites which could be used to estimate effective population size (NE). Compare their relative advantages and disadvantages.Mark Recapture can be written as M N = R Define each term. Use this equation to answer the following question. Show your work. A biologist for Mosaic fertilizer company catches 26 Florida scrub jays as part of their monthly environmental monitoring. Each bird is given a band. The next month, they catch 32 birds. 13 of the birds have bands. What is the estimated population size of the birds in that area?
- The life table below is for a species of lizard. Use it to answer the questions below. It can be copied and pasted in excel or downloaded here. What is the generation time for this species (rounded to the closest full number)? nx bx 678 1 102 2 31 3 19 10 4 14 12 12 12 6 10 14 7 10 10 8. 11 9. 7 10 12 years 5 years 3 years O 10 yearsYou have been put in charge of managing a population of the endangered pink fairy armadillo. The population is currently 500 (N=500). What kinds of information would need to have to determine how big the population will be in 10 years? What environmental influences might influence the accuracy of your prediction?Which of the following is best at showing the life expectancy of an individual within a population? a. quadrat b. mark and recapture c. survivorship curve d. life table