population Problems
A species of finches on the Galapagos Island has a geometricgrowth pattern. The island has 25 000 finches in the first year. Inthe same year, there are 5000 births and 3500 deaths. What is thegeometric growth rate Calculate the population after 5 years Apopulation of walruses on an island in the South Pacific Oceanshows continuous growth.
The carry capacity of the environment is 10 000 and r = 0.5.What is the rate of growth for populations of 100, 1000 and 2000walruses.
The Metro Toronto Zoo has an endangered species called theEastern cougar. A pair of cougars have a fecundity of 5 offspringper year where all offspring survive to reproductive age (2.5 perparent per generation). Explain the type of growth Calculate thenumber of cougars after 5 years and 9 years.
In the summer, the Ottawa University has many pigeons. A grade12 biology student decided to estimate the population size. Shenoticed that when she fed the pigeons in the atrium of MorrisetLibrary, the same amount always returned. She devised a way to tagthem. The first week she tagged 55 pigeons by luring them andfeeding them. The second week she recaptured 45 pigeons and ofthose only 8 had the original tag. Estimate the populationsize.
A group of biology students are assisting a researcher from theUniversity of Toronto on a project. They are trying to determinethe growth rate of frogs in a marsh near Owen Sound. There are 200frogs in the first year. By the time the students are in grade 12,40 frogs were born, 90 died and 5 frogs immigrated. Determine thegrowth rate Do you think that tracking the frogs for one year issufficient for this researcher?
An eager graduate student at Carleton, counts geese in themarshes off the Ottawa river. In 2004, they counted 2500 geese.During the next year, 500 goslings hatched, 45 immigrated, 200 diedand 30 emigrated. Determine the following: Population change inindividuals, in % and per capita The expected size of thepopulation after 2, 4 and 8 years, given unlimited resources Thedoubling time, where r = 0.1725 Assuming a carrying capacity of4235 geese, when will the geese population reach carrying capacityunder ideal conditions?
if possible i would appreciate an answer in a text form nothandwritten. thank you