| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024K selection, [Ecol.]- Ecologyselection occurring when a population is at or near the carrying capacity of the environment, which is usually stable: tends to favor individuals that successfully compete for resources and produce few, slowly developing young, and results in a stable population of long-lived individuals. Cf. r selection.
Also, K -se•lec•tion (kā′si lek′shən).USA pronunciation K -se•lect•ed (kā′si lek′tid),USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024r selection, [Ecol.]- Ecologyselection occurring when a population is far below the carrying capacity of an unstable environment: tends to favor individuals that reproduce early, quickly, and in large numbers so as to make use of ephemeral resources and ensure that at least some offspring survive.
Also, r -se•lec•tion (är′si lek′shən).USA pronunciation Cf. K selection. r -se•lect•ed (är′si lek′tid),USA pronunciation adj. |