An organism that employs a strategy of investing a lot of resources in a few offspring (like humans: one baby at a time) as opposed to a fly (which lays thousands of eggs)
Vultures are k-selected organisms because they only have a few offspring, they take care of their offspring, and they do not reproduce quickly.
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K selected
K-selected
frogs are r-selected because they produce many offspring but only a few of them survive. There is no parental investment and they become reproductively active early in their life cycle.
r-selected species have a high reproductive rate, producing many offspring with little parental care in unstable or unpredictable environments. K-selected species have a low reproductive rate, producing few offspring with high parental care in stable environments. r-selected species often have a quick maturation and short lifespan, while K-selected species have a slower maturation and longer lifespan.
R- Selected species have high population densities while k-selected species have lower population densities
Selected Stories of Philip K. Dick was created in 2002.
Those are reproductive strategies that identify certain species. R-selected are those that reproduce rapidly and produce a lot of progeny; bacteria are an example. K-selected are those that reproduce very slowly and are slow to mature; humans are a k-selected species. Population density is the number of organisms per unit area. Some organisms don' t like to be crowded, so the density can affect the population size. Also, some limiting factors are density-dependent, like food or living space.
Selected Stories of Philip K. Dick has 476 pages.
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