Some species have a few dozen predatory individuals living in small natural cavities. Some highly organised colonies may cover large territories and have millions of individuals. Ants are usually small, but can carry the weight of twenty ants. Worker ants carry food back to the colony so that other ants and the queen can eat.
What is the Juxtaglomerular Apparatus? The juxtaglomerular apparatus is a type of endocrine organ that is small in size, located within kidneys and helps in the regulating the function of nephrons. This is mainly involved in the secretion of renin and EPO in response to changes in the renal blood pressure or blood flow. Juxtaglomerular Apparatus are type of epitheloid cells that are located in the afferent arterioleâs media just at the place where it enters glomeruli. These cells of Juxtaglomerular Apparatus embed secretory granules which are limned on the membrane and constitute renin.
Play media. Fluorescent and confocal microscopes operating principle. A fluorescence microscope is an optical microscope that uses fluorescence and phosphorescence instead of, or in addition to, reflection and absorption to study properties of organic or inorganic substances.