A population has 300 individuals and 1/3 are recessive. If 100 individuals are heterozygous is the population in HW equilibrium? a. Sweet potato b. cannot be determined c. no d. yes
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- What is the effective population size of an island population of parrotsconsisting of 30 males and 30 females, in which only 10 of the malesbreed?a. 10 b. 20 c. 30 e. 60 d. 40A student decides to use the mark-recapture technique to estimate thepopulation size of mosquitofish in a small pond near his home. In thefirst catch, he marked 45 individuals. Two weeks later, he captured 62individuals, of which 8 were marked. What is the estimated size of thepopulation based on these data?a. 134 c b. 349 c. 558 d. 1,016 e. 22,320Which of the following scenarios does NOT describe a population with a clumped distribution? A. group defense against predators B. even distribution of resources throughout the population’s habitat C. competition for mates D. seasonal migrations to follow food sources
- Intraspecific competition reduces allelic diversity by Select one: a. relieving predator pressure on the prey population b. allowing K-selected species to have a selective advantage over r-selected species c. creating a competitive advantage to certain alleles d. allowing two different species occupying the same niche to compete for resourcesA 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.A population has 1000 juvenile individuals, 100 young adult individuals, and 10 older adult individuals. This population is likely…? Group of answer choices a, increasing b. decreasing c. stable d. no way to tell
- Populations are evolving if A. the Hardy-Weinberg equation equals 1. B. the Hardy-Weinberg equation equals 0. C. p + q changes between generations. D. p + q remains the same between generations.Use the logistic equation to estimate population size two generations (Nt+2) after a population was counted as having 1,000 individuals (=N0), with a carrying capacity = 5,000 and r = 0.3 The subject is ecology.In populations subjected to high levels of predation a. individuals should invest little in reproduction so as to maximize their survival. b. individuals should produce few offspring and invest little in any of them. c. individuals should invest greatly in reproduction because their chance of surviving to another breeding season is low. d. individuals should stop reproducing altogether.
- Would you classify these species as weak, moderate, or strong competitors? Explain. Think about population density. Compute the population density if necessary.Draw a graph showing the growth of the species’ populations with time: put all species’ populations on a single figure. Extend the y-axis to 180. Label the axes and provide a suitable legend.Assume a forest with 2 species of animals (A and B) and are competing for the same resources. Suppose species A dies at 1% per year and species B at 11.57% per year. A total of 6500 animals can survive in the forest. Species B has a higher birth rate and 65% of all new survival replacements go to them and the rest go to species A. What would the steady state number of species A animals be? please report a whole number.