Rare and Exotic Orchids by Joel L. Schiff
Author:Joel L. Schiff
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham
This interactive evolution between two species, as exemplified by the Darwin and Wallace model, has been termed “coevolution.” As convincing as this model sounds, there is an alternative explanation known as the “pollinator shift model” that attributes the lengthening of the moth’s proboscis to the need for the moth to hover and move about at a distance from the flower to avoid predators [5].
It should be mentioned that either way, the well-established biological concept of coevolution is not affected by the validity of the preceding Darwin and Wallace nectary/proboscis explanation, and a further instance of it will be discussed in the next chapter. But clearly, further research needs to be done regarding the evolution of long nectar spurs and the corresponding lengthy proboscis of its pollinator (Fig. 4.6).
Fig. 4.6 Aerangis ellisii from Madagascar has long curved nectar spurs on each flower (Image courtesy John Varigos)
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Anatomy | Animals |
Bacteriology | Biochemistry |
Bioelectricity | Bioinformatics |
Biology | Biophysics |
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Paleontology | Plants |
Taxonomic Classification | Zoology |
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