When a group of different plant species was prompted by a variety of different stress signals, such as drought or cold, each plant responded uniquely.

When discussing the relative reducing power of two redox agents, the couple for generating the more reducing species is said to be more " cathodic " with respect to the more easily reduced reagent.

When intervals between fires drop below 10 to 15 years, many chaparral species are eliminated and the system is typically replaced by non-native, invasive, weedy grassland.

When populations within a species become isolated by geography, feeding strategy, mate selection, or other means, they may start to differ from other populations through genetic drift and natural selection, and over time may evolve into new species.

When similarly adapted species overlap geographically, closer inspection reveals subtle ecological differences in their habitat or dietary requirements.

When natural resource management is applied to whole ecosystems, rather than single species, it is termed ecosystem management.

When genes are inserted, they usually come from a different species, which is a form of horizontal gene transfer.

When people say that the genome of a sexually reproducing species has been " sequenced ", typically they are referring to a determination of the sequences of one set of autosomes and one of each type of sex chromosome, which together represent both of the possible sexes.

When the colonies included other species of alcid, the Great Auks were dominant due to their size.

" When bacteria or other microbes are engulfed by phagocytes, the enzyme NADPH oxidase assembles in the membrane and begins to produce reactive oxygen species ( ROS ) that help kill bacteria.

When seen from a distance, juveniles can be confused with other cetacean species, such as the false killer whale or Risso's dolphin.

When the kumquats are divided into multiple species the name Fortunella japonica ( Citrus japonica ) is retained by this group.

When the kumquats are divided into multiple species the name Fortunella obovata ( Citrus obovata ) is used for this group.

When recently flooded the lake is almost fresh and native fresh water fish, including bony bream ( Nematolosa erebi ), the Lake Eyre Basin sub-species of golden perch ( Macquaria ambigua ) and various small hardyhead species ( Craterocephalus spp.

When males of a species are much larger than females, polygyny is usually practiced.

When presenting his ideas against the prevailing influences of catastrophism and progressive creationism, which envisaged species being supernaturally created at intervals, Darwin needed to forcefully stress the gradual nature of evolution in accordance with the gradualism promoted by his friend Charles Lyell.

When South America reconnected to Central America 3 million years ago, there was some dispersal southward, but South American species did not move into Central America.

When evolutionary biologists describe competition between species, they generally assume that each species is a single genotype whose descendants are mostly accurate copies.

When considered as a full species, three subspecies of red wolf were originally recognized by Goldman ; two of these subspecies are extinct.

When descending a tree headfirst, the red panda rotates its ankle to control its descent, one of the few climbing species to do so.

When others of Odo's species ( the Founders ) are later introduced, they share a similar " unfinished " look, which they adopt to make Odo feel at ease around them as they are able to replicate humanoids exactly, whereas Odo, having grown up without others of his kind, never learned to master it.

When he returned to England, his speculation on evolution deepened after experts informed him that these were separate species, not just varieties, and famously that other differing Galápagos birds were all species of finches.

When first informed he disbelieved the crow and turned all crows black ( where they were previously white ) as a punishment for spreading untruths.

: When, after the action had thus occurred, his own men returned to each general, Scipio could adopt no fixed plan of proceeding, except that he should form his measures from the plans and undertakings of the enemy: and Hannibal, uncertain whether he should pursue the march he had commenced into Italy, or fight with the Roman army which had first presented itself, the arrival of ambassadors from the Boii, and of a petty prince called Magalus, diverted from an immediate engagement ; who, declaring that they would be the guides of his journey and the companions of his dangers, gave it as their opinion, that Italy ought to be attacked with the entire force of the war, his strength having been nowhere previously impaired.

When Prince Samudra ( Prince Suriansyah ) of Negara Daha converted to Islam and formed the Islamic kingdom of Banjar, it inherited some of the areas previously ruled by the Hindu kingdom of Negara Daha.

When the centrifugal force term is expressed in terms of parameters of the rotating frame, replacing with, it can be seen that it is the same centrifugal force previously derived for rotating reference frames.

When the previously experienced scene fails to come to mind in response to viewing the new scene, that previously experienced scene in memory can still exert an effect — that effect may be a feeling of familiarity with the new scene that is subjectively experienced as a feeling of deja vu, or of having been there before despite knowing otherwise.

When previously fired cases are used, they must be inspected before loading.

When this problem was corrected, details that had previously eluded him were revealed, and his interest in the complications of nature was heightened.

When the operation is completed the contents of cell 4 will have been set to 98, by discarding whatever was there previously.

When a subroutine finishes it pops the previously pushed registers.

When the work was restored in 1993, the conservators chose not to remove all the perizomas of Daniele, leaving some of them as a historical document, and because some of Michelangelo ’ s work was previously scraped away by the touch-up artist's application of “ decency ” to the masterpiece.

When retrieving new messages, an IMAP client requests the UIDs greater than the highest UID among all previously retrieved messages, whereas a POP client must fetch the entire UIDL map.

" He had previously been quoted as saying: " When today the Pope dies, you'll get another one tomorrow, because the Church continues.

When Bob receives the box, he uses an identical copy of Alice's key ( which he has somehow obtained previously, maybe by a face-to-face meeting ) to open the box, and reads the message.

) When representatives of the science ministry visited DS9 in " Destiny ", they were noticeably less nationalistic than most Cardassians seen previously.

When a new source is required and an older source was previously downloaded, then Sorcerer will download a tiny patch that transforms the old source tarball into a current source tarball.

When a person reads it's usually in a context that has been previously prepared, but when a person uses spontaneous speech, it is difficult to recognize the speech because of the disfluences ( like " uh " and " um ", false starts, incomplete sentences, stuttering, coughing, and laughter ) and limited vocabulary.

When Cranmer's promotion became known in London, it caused great surprise as Cranmer had previously held only minor positions in the Church.

When the Franco-Prussian War broke out, the war ministry, which had previously tested the possibility of feeding soldiers solely on instant pea soup and bread, built a large manufacturing plant and produced between 4, 000 and 5, 000 tons of Erbswurst for the army during the war.

When the correct piece is not available, some substitute is used: a second queen is often indicated by inverting a previously captured rook or a piece is borrowed from another set.

When he died in 1053, Godwin was succeeded as Earl of Wessex ( including Sussex ) by his son Harold, who had previously been Earl of East Anglia.

When they married after co-habiting for several years all children born previously were subsequently legitimated by Act of Parliament.

When images can be accurately synthesised from previously transmitted / stored images, the compression efficiency can be improved.

When Greek Revival architecture was introduced at the beginning of the 19th century, the Greek Doric order had not previously been widely used.