Systematic

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Systematic

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Systematists now basically agree on the core of the species concept, which is the identification of a common evolutionary line distinct from other evolutionary lines.
Since that time, most systematists have chosen to classify Strasburgeria robusta either as a tribe of Och naceae (e.
These fruit characters have been used so long that systematists have become lazy and do not search for new, meaningful characters.
The absence of corneal lenses on these bidessine larvae presents systematists with an additional source of stemmatal variation that may be evaluated objectively with no more difficulty than assessments of cranial sensilla.
Lichenizing fungi typically don't have a lot of fancy morphology like flowers or bones that systematists can use for classification.
Even those who are systematists usually specialize in no more than a few families within an order.
Polyploidy via genome duplication within one species (autopolyploidy) has typically been considered of little importance evolutionarily, although recent work suggests that plant systematists may be overlooking many species which have arisen through this process (Judd et al.
The international community of taxonomists and systematists are reconstructing the great tree of life.
The work is intended for mammalogists, systematists, ecologists and zoogeographers.
Most systematists who have studied the question--Chapin (1917, 1929, 1954), Sushkin (1927), Delacour (1943), Tordoff (1954), Wolters (1957, 1960), Friedman (1960, 1962), Bentz (1979), Sibley & Ahlquist (1990), Lahti & Payne (2003), and Fry & Keith (2004)--placed the whydahs closer to their hosts, the waxbills, than to any other systematic group.
Systematists in recent years broadly agree on the distinction between primary and secondary homology (e.
I may be criticized for saying that some of the controversies of systematists approach the bitterness of political orators.