Definition
noun, plural: macroorganisms
Any macroscopic organism.
Supplement
Macroorganisms are large enough to be seen by an unaided eye. No optical instruments such as microscopes and lens are necessary to see them. For instance, macrobenthos such as crustaceans and mollusks in the sea floor and millipedes, snails and mites in soil.
Word origin: Gk makro-, comb. form of makrós long + organism > organ: Gk órganon implement, tool, bodily organ.
Compare: microorganism.
See also: organism.
Dictionary > Macroorganism
You will also like...
Cell Respiration
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
Circulation
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..
Cell Biology
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Still Freshwater & Plants
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Animal Growth Hormones
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
The Dinosaurs
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..