study of life on island chains and how their geography interacts with the diversity of species found there

endocrine cells of the pancreas

enzyme that converts a molecule into its isomer

molecules that differ from one another even though they share the same chemical formula

situation in which the extracellular fluid has the same osmolarity as the fluid inside the cell, resulting in no net water movement into or out of the cell

one or more forms of an element that have different numbers of neutrons

molecule that takes part in a chemical reaction

tissue mass that connects the two lobes of the thyroid gland

life history strategy characterized by multiple reproductive events during the lifetime of a species