Some unicellular species rely entirely on external energy sources and have limited or no photosynthetic apparatus.

Some sources mention the use of an abacus called a nepohualtzintzin in ancient Mayan culture.

Some sources state that At < sub > 2 </ sub > does not exist, or at least has never been observed, while other sources assert or imply its existence.

Some early sources call him their father or grandfather, but considering the commonly accepted dates of the fall of Troy ( 1184 BC ) and the founding of Rome ( 753 BC ), this seems unlikely.

Some sources state that following King Edward the Confessor's death in 1066, it was Ealdred who crowned Harold Godwinson as King of England.

Some other sources do classify him as an antipope.

Some sources record that the final blow, with the back of an axe, was delivered as an act of kindness by a Christian convert known as " Thrum.

Sources disagree, as may differing states ' laws, as to what category of plea the Alford plea falls under: Some sources state that the Alford guilty plea is a form of nolo contendere, where the defendant in the case states " no contest " to the factual matter of the case as given in the charges outlined by the prosecution.

Some sources include the requirement that the curve may not cross the line infinitely often, but this is unusual for modern authors.

Some celebrate in a way as near as possible to how the ancient Gaels did, while others observe the holiday with rituals taken from sundry unrelated sources, Gaelic culture being only one of the sources used.

Some sources say that the city may have been named after the Carthaginian general Hamilcar Barca, who was supposed to have founded the city in the 3rd century BC.

Some modern sources allude to a linguistic connection between the bunyip and Bunjil, " a mythic ' Great Man ' who made the mountains and rivers and man and all the animals.

Some incidents mentioned as having taken place within the Triangle are found only in these sources:

Some sources also add neighbouring countries ( for historical, geographical and / or cultural reasons ):

Some sources say he used it as a base for his raids on shipping, yet there is no documentary evidence for this assertion.

Some music historians argue that Chicanos of Los Angeles in the late 1970s might have independently co-founded punk rock along with the already-acknowledged founders from British-European sources when introduced to the US in major cities.

Some sources say McBride was asked for thousands of dollars in compensation from a businessman who owned the rights to the name Cleveland Panthers, an earlier failed football team.

Some sources derive the name of the weapon from the name of its first users — bernarda troopers called " carabiniers ", from the French carabine, from the Old French carabin ( soldier armed with a musket ), perhaps from escarrabin, gravedigger, perhaps from scarabee, scarab beetle.

Some early sources refer to pall mall being played over a large distance ( as in golf ), however an image in Strutt's 1801 book clearly shows a croquet-like ground billiards game ( balls on ground, hoop, bats and peg ) being played over a, garden-sized distance.

Some sources and Marker himself claim that he was born in Ulan Bator, Mongolia.

Some sources later, and even today, list his middle name erroneously as " Tecumseh ", apparently as a result of being nicknamed " The Chief " by teammates.

Some sources, including Newton, refer to the entire force as a centripetal force, even for eccentric orbits, for which gravity is not aligned with the direction to the center of curvature.

Some examples of sources ( with published dates where known ) that documented this approach are:

Some forms of capitalism do indeed work -- superb organizations, a credit to any society.

Some went so far as to credit Aristotle himself with neo-Platonic metaphysical ideas.

Some credit the move into professional competitive team play with prizes as a major factor in Counter-Strike's longevity and success.

Some of these men were executed as early as 83 or 85 however, lending little credit to Tacitus ' notion of a " reign of terror " late in Domitian's reign.

( Judd ) Some writers credit sportsman, hunters and fisherman with the increasing influence of the conservation movement.

Some publications credit Yale All-American Paul Veeder with the " first forward pass in a major game.

Some people credit the band Bauhaus ' first single " Bela Lugosi's Dead ", released August 1979, with the start of the goth subculture, though many prior art house movements influenced gothic fashion and style, the illustrations and paintings of Swiss artist, H. R. Giger being one of the earliest.

Some people credit American, Dudley Riggs as the first vaudevillian to use audience suggestions to create improvised sketches.

Some contemporary chroniclers suggested that in January Philip II of France had been charged with deposing John on behalf of the papacy, although it appears that Innocent merely prepared secret letters in case Innocent needed to claim the credit if Philip did successfully invade England.

Some Mexicans also credit her with having brought Christianity to the " New World " from Europe, and for having influenced Cortes to be more humane than he would otherwise have been.

Some retailers with banking operations also award points for every pound spent on their credit cards, as well as bonus points for purchasing financial services.

Some historians credit Sennett's films with having been responsible for municipal police forces across North America altering their uniforms to include military style officers ' caps since by the 1920s tall, British-style hats had become so indelibly associated with slapstick comedy.

Some jurisdictions allow employers to count tips given to their workers as credit towards the minimum wage level.

Some online classes provide experience in a class so that when you take it you have already been introduced to the subject and know what to expect, and even more classes provide High School / College credit allowing you to take the class at your own pace.

Some traditions credit St Boniface with the invention of the Christmas tree.

Some wanted it to function like money and others, credit.

Some bonus rounds are a special session of free spins ( the number of which is often based on the winning combination that triggers the bonus ), often with a different or modified set of winning combinations as the main game, and often with winning credit values increased by a specific multiplier, which is prominently displayed as part of the bonus graphics and / or animation ( which in many cases is of a slightly different design or color scheme from the main game ).

Some European copies of the album also credit Donny Rose on keyboards ( the song, " Shut Down ," was recorded live in the studio, and features a melodic, two-fisted piano ).

Some had even believed that the issue was enough to cast North from office and restore Pitt as Prime Minister-although the ultimate result was to strengthen the position of North who took credit for his firm handling of the crisis and was able to fill the cabinet with his own supporters.

Some credit Sousa as the father of organized trapshooting in America.

Some historians credit the large number of Bermuda sloops ( reckoned at over a thousand ) built in Bermuda as privateers and sold illegally to the Americans as enabling the rebellious colonies to win their independence.

Some credit this meeting of World Social Forum for the connections that made the global day of action on February 15, 2003 so successful.

Some credit it with inspiring the Asian Social Forum held in November of that year.

Some claimed that he took credit for aircraft downed by his squadron or wing.