ECOLOGY
ECOSYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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K-selected
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r-selected
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Either A or B
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None of the above
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Detailed explanation-1: -K-selected species are adapted to stable, predictable environments. Populations of K-selected species tend to exist close to their carrying capacity. These species tend to have larger, but fewer, offspring and contribute large amounts of resources to each offspring.
Detailed explanation-2: -K-selected species possess relatively stable populations fluctuating near the carrying capacity of the environment. These species are characterized by having only a few offspring but investing high amounts of parental care.
Detailed explanation-3: -R-selected species are influenced heavily by intrinsic growth rates ("r"), or the maximum population growth rate, and exhibit large increases followed by large decreases in population numbers. K-selected species are controlled more by carrying capacity ("K") and tend to display more stable populations.
Detailed explanation-4: -You can see r-and K-selected strategies clearly by looking at different organisms within a phylogenetic group, such as the mammals. For example, elephants are highly K-selected, whereas mice are much more r-selected. Among the fishes, most, like the salmon, are r-selected.