Examlex
What were ichthyosaurs? What adaptations did they have for their locomotion ability?
Urea
A nitrogenous waste product formed in the liver, important in the metabolic breakdown of proteins and excreted in urine.
Isotonic
A term describing a solution that has the same osmotic pressure as some other solution, especially one in a cell or a body fluid.
Marine Animals
Organisms that live in the ocean and sea environments, encompassing a wide variety of species from fish and mammals to invertebrates and sea plants.
ATP
Adenosine triphosphate, a molecule that carries energy within cells.
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