![]() ![]() These bundles of cells contain cilia, which the larvae use to move through the water column. Parenchymula larvae are a more advanced form of sponge larvae and are recognizable by the presence of bundles of cells in their body. ![]() Blastula larvae typically have small water-filled spherical bodies that contain a hollow interior containing a single cell.Īs the larva matures, it develops into a more complex form where the cells begin to specialize and differentiate based on their location in the body. These larvae have an unsegmented form, meaning that they lack any individuated body segments. Including blastula, parenchymula, and epitheliocytes.īlastula larvae are the most common form of larvae found in sponges. The larvae of sponges are generally found in the plankton layer of aquatic environments including oceans, seas, coral reefs and bays. They form when a sponge produces an egg and the egg hatches in to a free-living stage which is known as a larva. Larvae in sponges are the earliest form of the sponge life cycle.
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