What is a significant feature of R-selected species?

Study for the DAT High Yield Biology Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

R-selected species are characterized by their high reproductive rates and minimal parental care. These species typically produce a large number of offspring in a relatively short amount of time, which is an adaptation to environments where the chance of survival for offspring is low. The strategy is based on the idea that by producing many young, a few will survive to maturity, thereby ensuring the continuation of the species.

In contrast, R-selected species usually thrive in unstable environments where resources may be ephemeral or unpredictable. This leads to a life cycle focused on quick reproduction rather than longevity or investment in a few offspring, as seen in K-selected species, which emphasize parental investment and longer lifespans. It's also important to note that R-selected species often mature quickly and can exploit environments rapidly, taking advantage of transient opportunities for reproduction.

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