Examlex
A metal block has a density of 5000 kg per cubic meter and a volume of 2 cubic meters.What is the block's mass?
Hydrostatic Skeleton
A type of skeleton found in some invertebrates in which contracting muscles push against a tube of fluid.
Asexual Reproduction
The process by which an organism creates a genetically identical copy of itself without the involvement of another organism.
Choanoflagellates
A group of free-living unicellular and colonial flagellate eukaryotes considered to be the closest living relatives of the animals.
Collar Cells
Also known as choanocytes, are flagellated cells that line the interior of asconoid sponges and are used for feeding by generating water flow and filtering food particles.
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