r-selected
Americanadjective
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Why doesn’t a frog, which is an r-selected species, care for its offspring in the way a wolf, which is a K- selected species, cares for its offspring?
From Textbooks ● Jun. 9, 2022
The regulation of population growth by these factors can be used to introduce a classical concept in population biology, that of K-selected versus r-selected species.
From Textbooks ● Jun. 9, 2022
Elephants would be an example of a K-selected species. r-selected species are adapted to unstable and unpredictable environments.
From Textbooks ● Sep. 6, 2018
Animals that are r-selected do not provide a lot of resources or parental care to offspring, and the offspring are relatively self-sufficient at birth.
From Textbooks ● Sep. 6, 2018
Ungulates practise K-selection and are viviparous; Mesozoic dinosaurs seem to have been mostly r-selected, and of course they were oviparous nest-builders.
From Scientific American ● Jan. 5, 2012
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
