3 ways to protect sponges from enemies.

Sponges are animals of a multicellular organization. They are unique in their ability to successfully carry out life activities from the coastal zone to the deepest places in the oceans and seas. There are practically no predators that would eat sponges, because these organisms have very good adaptations for self-defense. They have hard and sharp mineral needles that make up their strong skeleton. Animals secrete compounds with a very specific odor that scares away other inhabitants of the aquatic environment, as well as substances that are poisonous to most.

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