WebJun 20, 2024 · Coral reefs are experiencing increasing anthropogenic impacts that result in substantial declines of reef-building corals and a change of community structure towards other benthic invertebrates or macroalgae. Reefs around Zanzibar are exposed to untreated sewage and runoff from the main city Stonetown. At many of these sites, sponge cover … WebJul 7, 2024 · How do sponges defend themselves? The pointed sponge spicules function as one method of defense against predators. Sponges also defend themselves by producing chemically active compounds.
Chapter 1 Review & Vocab Flashcards Quizlet
WebApr 12, 2024 · Sponges primarily use chemicals to protect themselves, and the chemicals are either toxic or just taste bad. This not only prevents predation but also competition, as the chemicals they release prevent other organisms from growing near them. Individual … WebA: Step 1 Mollusca is a phylum of soft-bodied and shelled animals that possess an unsegmented coelomate…. Q: In what ways are the flatworms more complex than the sponges and coelenterates? A: Vertebrates and invertebrates are the 2 subdivisions into which all animals can be divided. thj mailbox
Sponges (Porifera) on the Shores of Singapore
WebJul 22, 2024 · How do sponges defend themselves? The pointed sponge spicules function as one method of defense against predators. Sponges also defend themselves by producing chemically active compounds. Some of these compounds are antibiotics that prevent pathogenic bacterial infections and others are toxins that are poisonous to predators that … WebThe skeleton of the glass sponge, together with various chemicals, provides defense against many predators. Nonetheless, some starfish are known to feed on these rare creatures of the deep. Most glass sponges live … WebSponges have no real circulatory system.Sponges have flagellated cells over the surface of their bodies, these are cells that have tails that wiggles. The collective effort of all these cells creates a water current through the many porous openings in the sponges body. It's a water based circulatory system thjnx.itsinghua.com