Page 154 - The Microworld Miracle

Sea slugs that
feed on coral
separate out the
algae on it and
keep it alive.
Thanks to the
algae their color
changes and
they become
difficult for
predators to
see.

into its body
and is much harder
for predators to recognize.
Can a sea slug see colors? Is it aware of what color the coral is,
and can it imagine that it will be inconspicuous to predators by as-
suming that color? How can it know that the algae gives coral its
color and that it needs to separate out the algae from the foods it
eats? How does it keep them alive in its body and move them to its
THE MICROWORLD MIRACLE the color in the coral, produce enzymes that prevents the algae from
extremities? In order to establish this technique, it must first calcu-
late by what means it can avoid danger, then identify the source of

being digested, and develop a mechanism for transporting the al-
gae that extends through its body. These are exceedingly complex
and scientific processes that require long research and study by hu-

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