Seed are sometimes sold commercially while still enclosed within the hard wall of the fruit, which must be split open to reach the seed. Different groups of plants have other modifications, the so-called stone fruits (such as the peach) have a hardened fruit layer (the endocarp) fused to and surrounding the actual seed. Nuts are the one-seeded, hard-shelled fruit of some plants with an indehiscent seed, such as an acorn or hazelnut. Seeds are produced in several related groups of plants, and their manner of production distinguishes the angiosperms ("enclosed seeds") from the gymnosperms ("naked seeds"). Angiosperm seeds are produced in
Scope of practice assistant, nurses, dietitians, respiratory therapists, physical therapists, occupational therapists and dentists among many others. Governing, licensing, and law enforcement bodies are often at the sub-national (e.g. state or province) level, but federal guidelines / regulations also often exist. For example, in the United States, the National Highway Traffic Safety Administration in the Department of Transportation has a national scope of practice for emergency medical services. Scope of practice The scope of practice describes the procedures, actions, and processes that a healthcare practitioner is permitted to undertake in keeping with the terms of their professional license. The scope of practice is