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 more recent studies have used the word anthophyte to describe a group which includes the angiosperms and a variety of fossils ( glossopterids, Pentoxylon, Bennettitales, and Caytonia ), but not the Gnetales.

Some Buddhist scholars assert words are inadequate to describe the goal of the Buddhist path, but concerning the usefulness of words in the path itself, schools differ radically.

Some other American colleges later adopted the word to describe individual fields at their own institutions, but " campus " did not yet describe the whole university property.

Some writers of the " realist " strain of modern Arthurian fiction have attempted a more sensible Camelot ; inspired by Alcock's Cadbury-Camelot excavation, writers Marion Zimmer Bradley, Mary Stewart, and Catherine Christian place their Camelots in that city and describe it accordingly.

Some observers describe the figure as sitting in a traditional cross-legged yoga pose with its hands resting on its knees.

Some would rather describe knowledge as a system of justified true propositions, and others as a system of justified true sentences.

Some of the Syriac terms that Ephrem used to describe his community were later used to describe monastic communities, but the assertion that he was monk is anachronistic.

Some exact solutions describe gravitational waves without any approximation, e. g., a wave train traveling through empty space or so-called Gowdy universes, varieties of an expanding cosmos filled with gravitational waves.

Some contemporary texts still describe Ebbinghaus as a philosopher rather than a psychologist and he had also spent his life as a professor of philosophy.

Some believe that the modern movement of anarcho-capitalism is the result of simply removing the labor theory of value from ideas of the 19th century American individualist anarchists: " Their successors today, such as Murray Rothbard, having abandoned the labor theory of value, describe themselves as anarcho-capitalists.

Some writers, such as Edward Said, use the term more broadly to describe any system of domination and subordination organized with an imperial center and a periphery.

Some modern writers describe Justus as one of the original missionaries who arrived with Augustine in 597, but Bede believed that Justus came in the second group.

) Some sightings describe the onset of a V-shaped wake, as if there were something underwater.

Some English-speaking anarchists even describe themselves as Autonomists.

Some books ( guidebooks in particular ) suggest that mazes on cathedral floors originated in the medieval period as alternatives to pilgrimage to the Holy Land, but the earliest attested use of the phrase " chemin de Jerusalem " ( path to Jerusalem ) dates to the late 18th century when it was used to describe mazes at Reims and Saint-Omer.

Some premillennialists, while accepting many of the basic beliefs behind the series, describe problems with specific prophetical teachings in the Left Behind books.

Some describe it as containing a fourth order, Huales, separating the family Huaceae into its own order, separate from Oxalidales.

Some legends describe it as having an elephant-like body with a long neck and tail and a small head, a description which has been suggested to be similar in appearance to that of the extinct Sauropoda, while others describe it as more closely resembling elephants, rhinoceros, and other known animals.

Some traditions, such as those of Boha Village, describe it as a spirit rather than a flesh and blood creature.

* Some scholars hold that the Mishnah and Talmud have been extensively shaped by later editorial redaction, but that it contains sources which we can identify and describe with some level of reliability.

Some songs were written for the gods but many were written to describe important events.

Some of the Aztec stories about Moctezuma describe him as being fearful of the Spanish newcomers, and some sources, such as the Florentine codex, comment that the Aztecs believed the Spaniards to be gods and Cortés to be the returned god Quetzalcoatl.