BSC-1005 Lecture Notes - Lecture 12: Tetraodontidae, Sea Anemone, Scuba Diving
Document Summary
In either case fertilization produces a pear shaped planula larva, which is carried by the currents until it is ready to settle on the bottom: important groups of organisms on coral reefs in the eukaryotic kingdoms. Algae with no roots, soaking up nutrients and water through their surfaces. Flowering plants with roots growing into sediment, from which they soak up nutrients and water: kingdom animalia - we looked at several of the most important phyla. First corals and other calcium carbonate depositing organisms grow. Excavating organisms make holes in the coral skeletons so they have little cavities in which to live, and this weakens coral skeletons and generates sediment. Rubble of dead corals is stabilized by sponges and algae, which can hold onto adjacent rubble bits until they become cemented to the reef frame; and then sediment filters into the crevices, fills them and turns to cement.
