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== Light ==
== Light ==
[[Image:lizard_sun.jpg|300px|thumb|right|'''Lizard basking in the sun''' (Copyright © RVC and its licensors, Sean Bobbit, Sue Evans, Andrew Devare and Claire Moore. All rights reserved)]]
[[Image:lizard_sun.jpg|300px|thumb|right|'''Lizard basking in the sun''' (Wikicommons)]]
The full spectrum of natural light is important for the health of lizards. Ultraviolet wavelengths are specifically important for vitamin D and calcium metabolism. There are two bands of UV: UVA and UVB. UVA (320-400nm) produces beneficial behavioural and psychological effects but does not activate vitamin D precursors in the skin. UVB (290-320nm) is necessary for vitamin D synthesis.
The full spectrum of natural light is important for the health of lizards. Ultraviolet wavelengths are specifically important for vitamin D and calcium metabolism. There are two bands of UV: UVA and UVB. UVA (320-400nm) produces beneficial behavioural and psychological effects but does not activate vitamin D precursors in the skin. UVB (290-320nm) is necessary for vitamin D synthesis.