Sentence examples for background colouration from inspiring English sources

Thus it appears that a high level of betaxanthin production in the particular background colouration of the seedlings resulted in the orange-red colour.

For three of the folding doors, Kioks front, Kiosk back, and Flower back, the six door panels are symmetrical in their background colouration with 1 and 6, 2 and 5, and two middle panels 3 and 4 having the same colour.

When the larvae experience low temperatures, a number of the spots may be reduced in size or may even disappear together with a darker background colouration [ 8, 11, 14].

Indeed, differences in infection severity can alter background 'healthy leaf' colouration and different fungal strains can give rise to different levels of melanisation within a lesion, so affecting lesion appearance.

Alternatively, environmental variation in carotenoid availability may not necessarily cause mismatches between natural backgrounds and cryptic colouration.

On the ventral side, there are black spots arranged regularly in four arrays and a single discal spot against a light grey background with no additional colouration.

Both our findings and those of Bond and Kamil (2006) [36] highlight the importance of the interactive effects of prey colouration and backgrounds, particularly in the degree of heterogeneity, on predator cognition for understanding camouflage due to colour-markings in the field.

Vegetation behind nightjars significantly increased their aerial escape opportunities from terrestrial attacks during their peak activity period, when nightjars reveal visible feather bands during their foraging sallies from the ground and their cryptic colouration may not always match the background.

A very interesting phenomenon associated with colour polymorphism is homochromy, which describes matching of body colouration with variation in the background pattern of the local habitat [ 14, 15, 20, 35].

To quantify variation in carotenoid-based colouration and contrast against natural backgrounds we used a physiological model of avian vision [ 60].

Carotenoid-availability, carotenoid-based colouration, and colouration of the natural backgrounds could covary in such a way that more intensely coloured birds are equally cryptic in carotenoid-rich habitats, as less intensely coloured birds in carotenoid-poor habitats [ 37].