United States Military Medals available for all branches of service Army, Navy, Coast Guard, Marines, and Air Force. Every military medal is made in America and stamped with our M37 Hallmark. Army Medals & Ribbons.
Definition of COLEOPTILE. : the first leaf of a monocotyledon forming a protective sheath about the plumule.
Centropyxis aculeata, a testate (shelled) amoeba. In some systems of biological classification, the Protozoa are a diverse group of unicellular eukaryotic organisms. Historically, protozoa were defined as single-celled organisms with animal-like behaviors, such as motility and predation. The group was regarded as the zoological counterpart to the protophyta, which were considered to be plant-like, as they are capable of photosynthesis.