Animal Kingdom. Underneath is a new, slightly bigger, and looser case. 5. How does the sponge eat? Spines, skeltons made of hard plates. 23. bio 111 Tami Asplin. They produce toxins and or unpleasant tastes and odors to protect themselves from predators, or if the sponge’s osculum is threatened they prevent coral growth. What mechanism do sponges adapt to protect itself from suspecting predators? 7. 3. Why is it an advantage for an organism to have asexual reproduction? How do cnidarians protect themselves? The animals produce large quantities of antioxidants to neutralize the excess oxygen. 200. 6. Conclusion: Write a short paragraph that compares the 4 animal phyla that were presented in this lab. Flatworms live in water or environments with high moisture. 5. Cnidaria Cnidaria is one of the more primitive animal phyla. 200. ... remaining tidal ponds or protect themselves under bundles. At this stage, they start sinking towards the deep end of the ocean until they attach themselves to a hard … It includes aquatic organisms such as jellyfish, sea anemones, corals, and hydras. of wet algae. Some cnidarians, such as jellyfish and sea anemones, have nematocysts (stingers) to protect themselves. After the embryonic stage is over, the larvae get transformed into tiny planulae that are free swimming and they detach themselves from their mother's body. How do cnidarians protect themselves? As the animal grows, its exoskeleton gets too tight—so it sheds it from time to time. Sponges can close their pores to stop water from entering their body in the presence of stimulus that may may indicate danger. ... How do sponges protect themselves? Which would be considered more advanced, a hydra or a jellyfish? All cnidarians can regenerate, allowing them to recover from injury and to reproduce asexually. What traits do Cnidarians have with all other animals? By which means do Cnidarians seize and consumer faster organisms? Subject. 2. How do cnidarians protect themselves? Mostly marine animals, the cnidarians include the corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans. Biology. Level. 2004), within the GVC in order to induce disintegration of the prey, ultimately aiding digestive processes. … How do cnidarians protect themselves? Some species are microscopic, while others may be as long as 164 feet. 6. cnidarians have stinging cells called nematocysts located on their tantacl es: Term. Definition. What is asexual reproduction? Give 2 reasons. The hard exoskeletons of insects and creatures such as crabs do not grow with the rest of the body. Metamorphosis in the Cnidaria. If you only have hens, they will either fight with beak and claws or run for shelter beneath a nearby bush or tree, or flee to the chicken coop. How do porifera ( sponges) protect. 8. Most cnidarians are marine, although a few, such as the well-known hydra, are freshwater species. Cnidaria that carry photosynthetic symbionts may have the opposite problem, an excess of oxygen, which may prove toxic. i am taking biology 20 and we are learning about porifera and cnidarians. Sponges and Cnidarians for high school biology.