This book takes readers into the lives of amazing glowing organisms -- animal and otherwise -- and shines a light on the spectacular natural phenomena of bioluminescence, biofluorescence and ultraviolet light. Glow Down Deep goes into the depths of the ocean to find sea dwellers that use the power of light--or the semblance of light--to survive. It could be for camouflage, mating, warding off predators or attracting prey. The Glowing Ocean, for example, is a type of bioluminescence that many humans can see. It occurs on the water surface when small planktonic surface dwellers--such as single-celled Dinoflagellates--are bioluminescent. Under the right conditions, they bloom in dense layers, giving the ocean surface a reddish-brown color in daylight and a sparkly sheen at night. Some of the Dinoflagellates in these algal blooms are poisonous to animals and can cause sickness or even death in humans.
Readers will learn about 23 organisms, their biology, what type of luminescence they use, where and how they survive:
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