![]() ![]() Many sponges defend their surface from colonization by fouling organisms as well as from potential pathogenic bacteria by producing secondary metabolites with antimicrobial properties. How do sponges protect themselves against environmental dangers? Many sponges provide superb hiding places and living quarters for tunicates, a wide variety of invertebrates, such as nudibranchs, shrimps, brittle stars, crabs, juvenile lobsters and more, as well as a number of species of small fishes, such as gobies and blennies. They also produce toxins that may poison predators that try to eat them. Their sharp spicules provide some defense. The choanosome of the sponge contained higher protein levels, but revealed no structural defense.īecause sponges are sessile, they cannot flee from predators. Our results demonstrated that chemical defense is evenly distributed throughout the sponge and works in conjunction with a structurally defended ectosome to further reduce predation levels. Does a sponge protect itself does it have any defenses? If a sponge contains spicules along with organic compounds, the likelihood of those sponges being consumed by spongivores decrease. Sponge defense One of the most common structural strategies that sponges have that prevents them from being consumed by predators is by having spicules. How do sponges avoid being eaten by predators? 5 What makes a sponge an animal and not a plant?.4 How do sponges protect themselves from other organisms?. ![]() 3 How do sponges protect themselves against environmental dangers?.2 Does a sponge protect itself does it have any defenses?.1 How do sponges avoid being eaten by predators?. ![]()
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