The name of the species derives from the Greek skhoínos ( sedge ) and práson ( leek ).

His basis for advancing the multiregional interpretation of human evolution derives from his disbelief in punctuated equilibrium ( the idea that changes occur when new species are formed and only rarely are slowly and gradually accumulated during the stable periods between speciations ) as an accurate model for Pleistocene humanity, noting that speciation played a role earlier in human evolution.

The specimen was dissected by Lankester between rounds of golf at Saint Andrews golf club in Scotland from which the species derives its name.

Mutualism is the way two organisms of different species biologically interact in a relationship in which each individual derives a fitness benefit ( i. e., increased or improved reproductive output ).

The specific epithet namaycush derives from namekush, a form of the word used in some inland Southern East Cree communities in referring to this species of fish.

The English name " cranesbill " derives from the appearance of the fruit capsule of some of the species.

They are commonly known as Coleus, a name which derives from an earlier classification under the genus name Coleus, which is currently treated as two: with species included in either the genus Solenostemon or in another genus, Plectranthus.

The word turpentine derives ( via French and Latin ) from the Greek word τερεβινθίνη terebinthine, the name of a species of tree, the terebinth tree Mineral turpentine or other petroleum distillates are used to replace turpentine, but they are very different chemically.

The origin of the popular English language name monkey puzzle derives from its early cultivation in Britain in about 1850, when the species was still very rare in gardens and not widely known.

Often known in the past as whalebirds, three species have large bills filled with lamellae that they use to filter plankton somewhat as baleen whales do, though the old name derives from their association with whales, not their bills ( though " prions " does, deriving from Ancient Greek for " saw ").

The English word " yak " derives from the Tibetan (), or gyag – in Tibetan this refers only to the male of the species, the female being called a dri or nak.

Pallas's Leaf Warbler is named after the German zoologist Peter Simon Pallas, who discovered it on the Ingoda River in Siberia in 1811 ; the species name proregulus derives from its similar size to the Goldcrest Regulus regulus.

For example: it is during breeding season that they give off the musky odour from which the species derives its common name.

The word feral used to describe domesticated species returning to the wild derives from Latin fera, " a wild beast ".

* mutualism-A biological interaction between individuals of two different species, where each individual derives a fitness benefit.

The common name of ' tea tree ' used for some species of Leptospermum derives from the practice of early Australian settlers who soaked the leaves of several species in boiling water to make a herbal tea rich in ascorbic acid ( Vitamin C ).

The common name of the group derives from the fact that many species are found in Japanese rice paddies.

Its name derives from the Greek goddess, Iris, who carried messages from Olympus to earth along a rainbow, whose colors were seen by Linnaeus in the multi-hued petals of many of the species.

The species name derives from its historical distribution eastward from the Balkans, where it was recognized in ancient Greek history and literature.

This reputation derives from the species ' resemblance to the Chinese dragon, considered an auspicious symbol.

The scientific name of Murray cod derives from an early Australian fish researcher with the surname McCulloch and the river from which the explorer Major Mitchell first scientifically described the species, the Peel River.

The stink bug, also called stinkbug, derives its name from its tendency to eject a foul smelling glandular substance secreted from pores in the thorax when disturbed ; in some species the liquid contains cyanide compounds with a rancid almond scent.

This mixture of chemical compounds cause a painful sting or paresthesia from which the species derives its common name, as well as the colloquial names burn nettle, burn weed, burn hazel.

For here if anywhere in contemporary literature is a major effort to counterbalance Existentialism and restore some of its former lustre to the tarnished image of the species Man, or, as Malraux himself puts it, `` to make men conscious of the grandeur they ignore in themselves ''.

`` The other day Arnold Toynbee spoke against the inveterate tendency of our species to believe in the uniqueness of its religions, its ideologies, and its virtually everything else.

The name thyroid-stimulating hormone ( TSH ) has been given to a substance found in the anterior pituitary gland of all species of animal so tested for its presence.

* Introduced species, a species not native to its environment

The presence of a particular species in an area may be more easily discerned by its characteristic call than by a fleeting glimpse of the animal itself.

The frog Allobates zaparo is not poisonous but mimics the appearance of other toxic species in its locality, a strategy that may deceive predators.

* Ada aurantiaca, species of orchid and the type species of its genus

A more or less typical monocotyledon, the species can be recognized by its shortly branched inflorescence covered with branched hairs ( giving rise to the common name of Lamb's-tail ).

By its inclusion the order has grown enormously in number of species.

Loyalty requires affection also to the office of the Sovereign, attachment to royalty, attachment to the law and to the constitution of the realm, and he who would, by force or by fraud, endeavour to prostrate that law and constitution, though he may retain his affection for its head, can boast but an imperfect and spurious species of loyalty ( R v O ' Connell ( 1844 ) 7 ILR 261 ).

As befits its weedy life history, amaranth grains grow very rapidly and their large seedheads can weigh up to 1 kilogram and contain a half-million seeds in three species of amaranth.

Perfumes can still be found with ambergris around the world, it is collected from remains found at sea and on beaches, although its precursor originates from the sperm whale, which is a vulnerable species.

The type species of its genus, it is native to the Nearctic ecozone, originating in the lower Rio Grande and the Neueces and Pecos Rivers in Texas as well as the central and eastern parts of Mexico and Somalia.

A. mexicanus is a peaceful species that spends most of its time in the mid-level of the water above the rocky and sandy bottoms of pools and backwaters of creeks and rivers of its native environment.

Another likely explanation for the loss of its eyes is that of selective neutrality and genetic drift: in the dark environment of the cave, the eyes are neither advantageous nor disadvantageous and thus any genetic factors that might impair the eyes ( or their development ) can take hold with no consequence on the individual or species.

By " time-gating " the detector for the arrival of a particular species of interest its crystallographic distribution on the surface, and as a function of depth, can be determined.

A paradox in metabolism is that, while the vast majority of complex life on Earth requires oxygen for its existence, oxygen is a highly reactive molecule that damages living organisms by producing reactive oxygen species.

The amount of protection provided by any one antioxidant will also depend on its concentration, its reactivity towards the particular reactive oxygen species being considered, and the status of the antioxidants with which it interacts.

The largest genera are Draba ( 365 species ), Cardamine ( 200 species, but its definition is controversial ), Erysimum ( 225 species ), Lepidium ( 230 species ), and Alyssum ( 195 species ).