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*Cactus [[plant|plants]] do not have [[leaf|leaves]]. This adaptation gives them a small [[surface area]] so they do not lose water easily.
*Some [[animal|animals]] in the [[desert]] do not [[sweat]] even though it is hot. This adaptation stops them from losing water.
===Adaptations for defence===Cactus [[plant|plants]] and [[hedgehogs]] have spikes. This adaptation make it difficult to [[animal|animals]] to eat them.[[Octopuses]] and [[squid]] spray ink when they are being attacked. This adaptation makes it difficult for the [[predator]] to see them when the swim away.
=Used in a sentence=
White fur is an adaptation of polar bears that helps camouflage in the snow.