![]() They also produce toxins that may poison predators that try to eat them. Their sharp spicules provide some defense. How do sponges defend themselves since they Cannot move?īecause sponges are sessile they cannot flee from predators. The main defenses of fire sponge involve chemical deterrence contain spongin spicules as well as have refractory collagen which allows the sponge to be rubbery and discourage predators from eating them. Many of these chemicals have been isolated and studied by scientists. Some of these compounds are antibiotics that prevent pathogenic bacterial infections and others are toxins that are poisonous to predators that consume the sponge. Sponges also defend themselves by producing chemically active compounds. The amazing ways plants defend themselves – Valentin Hammoudi.How do worms protect themselves from birds?. ![]()
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