Examlex
What term refers to the biological status of being male or female?
Planula
The free-swimming, ciliated larva form of certain cnidarians, such as jellyfish, before it settles on a surface and develops into a polyp.
Miracidium
A free-swimming larval stage in the life cycle of certain parasitic flukes, hatching from eggs and infecting the first intermediate host, typically a snail.
Polyp Colony
An aggregation of many individual, yet genetically identical, polyps that are connected, forming organisms such as corals.
Collar Cells
Specialized cells found in sponges (Porifera) that have a collar-like structure and are involved in water filtration and nutrient capture.
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