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Monday, March 22, 2010
(22) When does McArthur and Wilson’s and K selected species model not apply? What does Grime’s plant life history model and Winemiller’s models include that is not covered by McArthur and Wilson’s model)
ok so we are all having difficulty with this problem so i think we should have a disscussion on it... McArthur and Wilson's r and K selected species only are classified as K and r if they follow certain aspects including amount of offspring, reproduction, body size, time of reproduction, amount taken for maturity, competitive ability, and intrinsic rate Grime plant life history model compares Intensity of competition,Intesity of stress, and Intensity of disturbance. Winemillers model has Juvenille survivalship, age of reproductive maturity and fecundity (ability to reproduce.)
ok. I wikipedia-ed this information since I have no clue for the first part of the question:
Although some organisms are identified as primarily r- or K-strategists, the majority of organisms do not follow this pattern. For instance, trees have traits such as longevity and strong competitiveness that characterise them as K-strategists. In reproduction, however, trees typically produce thousands of offspring and disperse them widely, traits characteristic of r-strategists. Similarly, reptiles such as sea turtles display both r- and K-traits: although large organisms with long lifespans (should they reach adulthood), they produce large numbers of unnurtured offspring.
ok so we are all having difficulty with this problem so i think we should have a disscussion on it...
ReplyDeleteMcArthur and Wilson's r and K selected species only are classified as K and r if they follow certain aspects including amount of offspring, reproduction, body size, time of reproduction, amount taken for maturity, competitive ability, and intrinsic rate
Grime plant life history model compares Intensity of competition,Intesity of stress, and Intensity of disturbance. Winemillers model has Juvenille survivalship, age of reproductive maturity and fecundity (ability to reproduce.)
ok. I wikipedia-ed this information since I have no clue for the first part of the question:
ReplyDeleteAlthough some organisms are identified as primarily r- or K-strategists, the majority of organisms do not follow this pattern. For instance, trees have traits such as longevity and strong competitiveness that characterise them as K-strategists. In reproduction, however, trees typically produce thousands of offspring and disperse them widely, traits characteristic of r-strategists. Similarly, reptiles such as sea turtles display both r- and K-traits: although large organisms with long lifespans (should they reach adulthood), they produce large numbers of unnurtured offspring.
I believe both of you answered the question, but i will go check to be sure
ReplyDeletethe answers seem to be correct they match up with the stuff i found, but i couldn't find anything on Winemillers model
ReplyDelete