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Combined is an event in alpine ski racing. The event format has changed within the last 30 years. A traditional combined competition is a two-day event consisting of one run of downhill and two runs of slalom; each discipline takes place on a separate day. The winner is the skier with the fastest aggregate time.
In biology, co-adaptation is the process by which two or more species, genes or phenotypic traits undergo adaptation as a pair or group. This occurs when two or more interacting characteristics undergo natural selection together in response to the same selective pressure or when selective pressures alter one characteristic and consecutively alter the interactive characteristic.
In evolution, cooperation is the process where groups of organisms work or act together for common or mutual benefits. It is commonly defined as any adaptation that has evolved, at least in part, to increase the reproductive success of the actor's social partners. [1]
Also Gause's law. A biological rule which states that two species cannot coexist in the same environment if they are competing for exactly the same resource, often memorably summarized as "complete competitors cannot coexist". coniferous forest One of the primary terrestrial biomes, culminating in the taiga. conservation biology The study of Earth's biodiversity with the aim of protecting and ...
[clarification needed] [1] where “indirect positive effects on focal organisms are mediated by successive formation or modification of biogenic habitat”. [ 2 ] A habitat cascade is composed of at least three organisms : a primary habitat former or modifier; a secondary habitat former or modifier; and a focal organism that utilizes the ...
When skiers Mikaela Shiffrin and Marco Schwarz won the world titles in Alpine combined last February, they didn’t expect to have just one more such race in their careers. The new World Cup ...
The pygmy mammoth is an example of insular dwarfism, a case of Foster's rule, its unusually small body size an adaptation to the limited resources of its island home.. A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms.
In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each other, further blurring any distinctions.