Sponges are very basic animals that live in the ocean. These characteristic of the sponges had fooled early scientists of thinking that these creatures belong to the plant kingdom rather than in the animal kingdom. At least, most of them are. Sponges are animals with dense skeletons that are highly adapted to their environments, although it is easy to see why they may be mistaken for plants. 4. 3. With no tissues or organs, they're simply collections of cells arranged in various structures that capture nutrients passing through their pores. How and what do sponges eat? Loggerhead and Ridley sea turtles are omnivorous and have jaws built for crushing food. Nudibranchs are members of the sea slug family and have lost their protective shells. Where do dish and car-washing sponges typically come from? 1. Carnivorous sponges . How does a sponge's skeleton differ from ours? The basic body plan is a jelly-like layer sandwiched between two thin layers of cells. A few species of sponge are carnivorous preying mainly on small crustaceans and other small animals. Sponges are omnivorous animals that obtain their nutrition from the food particles in the water. What Animals Eat Slugs? The sponges or poriferans (from Latin porus "pore" and ferre "to bear") are animals of the phylum Porifera. 3. Doug Bolton @DougieBolton. Sponges (poriferans) are very simple animals that live permanently attached to a location in the water - they are sessile as adults. Sponges are animals that eat tiny food particles as they pump water through their bodies. What are spicules? There are hundreds of species, and are different and exhibit an endless variety of beautiful designs. Another way to harvest the sponge is to leave the gourd to dry on the vine or off. They are primitive, sessile, mostly marine, waterdwelling filter feeders that pump water through their bodies to filter out particles of food matter. Calcareous sponge, any of a class (Calcarea) of sponges characterized by skeletons composed entirely of calcium carbonate spicules (needlelike structures). Members of this group include glass sponges, demosponges, and calcareous sponges. Sea urchins eat a variety of algae, mollusks, sponges, carrion, as well as starfish and sea urchins of smaller size. We differentiate them by the number of tissue layers they have, and by the complexity of those layers. Where do sponges live? There are from 5,000 to 10,000 known species of sponges. Marine sponges are sessile animals that look like plants. Some sponges contain photosynthesitic micro-organisms (like corals do) in their bodies. Sea sponges are believed to have first appeared 640 million years ago. Protein, To Eat, and Reproduce. They number approximately 5,000 described species and inhabit all seas, where they occur attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more. They appear to be plants but are in fact invertebrate animals. Im not 100 percent positive but i think my emerald crab ate a white sponge i had.It cleans off my yellow ball sponge and doesnt bother any other sponges i have which is like 5 other colored ones.But he was hanging out there and i dont know what else would have ate it and it was growing. 2. Coral Reefs: Coral reefs are very important to the future of the planet Earth. They have a narrow head fit for getting food out of small crevices. The feed of sea sponges tissues. Tuesday 23 February 2016 17:29. Tools to identify the sponge. All animals eat other organisms in order to gain building materials for the body. Hawksbill sea turtles are carnivorous and eat mainly sponges, tunicates, shrimp and squid. Question: What eats sponges in a coral reef? They feed mainly on algae, although some species will eat corals and sponges. Both varieties are edible, and both will produce sponges. Some representatives of this species are known for the power to catch and eat a mantis cancer. Why do you think they are so diverse? They filter water through their porous body for the food they eat. They are overwhelmingly marine organisms, out of about 15,000 species only around 150 are found in freshwater. Most sponges eat tiny, floating organic particles and plankton that they filter from the water the flows through their body. Their way to eat is by filter feeder. The majority of sponges are filter feeders, which means they eat tiny particles of bacteria and phytoplankton they syphon out of the water. Sea turtles can also live on carnivorous and omnivorous diets. A number of sponge species are known to have a more carnivorous diet, eating small fish and crustaceans on the reefs. Is it a plant or an animal? What can sponge cells do that other animals' cell cannot? The nudibranch is without a doubt the most colorful of all the mollusks. They feed on suspended organic matter in the water that is frequently too small for other filter feeders to access. Sponges are among the simplest of animals. Invertebrate. Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses and squid. 2. Unique to the animal world, sponges have canals throughout their bodies which open to the surrounding water, allowing both oxygen and food particles to reach each sponge. Sea sponges do not have a mouth like the other sea animals. The cells of sponges are capable of differentiating into functional cell types, however, sponges lack the âtrueâ tissues, organs, and systems associated with more complex animals .