More From encyclopedia.com
Trend , trend / trend/ • n. a general direction in which something is developing or changing: an upward trend in sales and profit margins. ∎ a fashion: the l… Evolutionary Trend , evolutionary trend A steady change in a given adaptive direction, either in an evolutionary lineage or in a particular attribute (e.g. height of shoo… Directed Speciation , directed speciation A speciational trend recognized in plants: the species do not conform to a continuum of adaptive types, but rather to a stepwise… Dollos law , Dollo's law Evolutionary irreversibility: once regarded as inevitable, but now considered to apply mainly in special cases. The potential for further… orthogenesis , orthogenesis Evolutionary trends that remain fairly constant over long periods of time and so appear to lead directly from ancestor organisms to thei… interglacial , interglacial A period of warmer climate that separates two glacial periods. Midlatitude interglacials show a characteristic sequence of vegetation ch…
You Might Also Like
NEARBY TERMS
tunnel trend