Assertion: natural selection | /r/HasSubevent | change
Facets:
value: in size
type: OTHER
value: in population-level behavior
type: OTHER
Source sentences:
text: The study of Daphne Major, a volcanic island in the Galápagos archipelago, began in 1972 and found that natural selection has resulted in changes in the beak shape and size of two species of finch: the medium ground finch (Geospiza fortis) and common cactus finch (Geospiza scandens).
text: They do so on the basis of an examination of experimental work in which selection (and drift) are manipulated to produce changes in population-level behavior.
text: The study of Daphne Major, a volcanic island in the Galápagos archipelago, began in 1972 and found that natural selection has resulted in changes in the beak shape and size of two species of finch: the medium ground finch (Geospiza fortis) and common cactus finch (Geospiza scandens).