record, is more strongly influenced by interactions among species (Red Queen hypotheses), or by random perturbations to the physical environment such as...

A queen bee is typically an adult, mated female (gyne) that lives in a colony or hive of honey bees. With fully developed reproductive organs, the queen...

selection that undergoes a frequency-dependent cycle—this is called the Red Queen hypothesis. There is evidence that many vertebrates, including humans...

society in the red imported fire ant exist: polygynous colonies (nests with multiple queens) and monogynous colonies (nests with one queen). Venom plays...

disappearance of large blues as the sites did not appear to have changed. Leading hypotheses targeted collectors, insecticides, and air pollution as factors that led...

the parasite will not be able to reproduce either. Another theory, the Red Queen hypothesis, proposes that since both host and parasite have to keep on...

relatively large, rusty red or brown in colour, and have a spiny body and long legs. The three main castes within a nest are the queen, worker, and soldier...

seen at a distance, of "brilliant red, white and green colours, the national colours of Italy". Multiple hypotheses attempt to explain the metaphorical...

LEFT-FACING SVASTI SIGN, U+0FD8 ࿘ LEFT-FACING SVASTI SIGN WITH DOTS. European hypotheses of the swastika are often treated in conjunction with cross symbols in...

convergent evolution. As to the reason for this convergence, only tentative hypotheses have been advanced; in any case, because of the considerable size difference...