- Life Sciences
single-celled algae that have two flagella and are found mainly in seawater but are also common in fresh water. An algal bloom of dinoflagellates can result in a visible coloration of the water colloquially known as red tide.
the liquid produced by the kidneys consisting mainly of water and nitrogenous wastes such as...
the cartilaginous flap at the top of the mammalian trachea, which closes off the entrance to the...
the abiotic components relating to the physical nature of an area.