Do oak trees have seeds?
Oak trees are large, deciduous plants. There are actually different types, but the most common is the Quercus robur, or the English oak. The seeds of the oak are known as acorns, and are small, hard, ellipsiod (3D oval) seeds with a small cap. Type in 'Oak' or 'List of Quercus species' to Wikipedia for pictures and more information.
Simple answer is that it is a hardwood. But a hardwood is not necessarily a harder denser material than a softwood. For example, balsa wood is light and not very dense and is considered a hardwood. The distinction is to do with plant reproduction. All trees reproduce by producing seeds. Hardwood trees are angiosperms, plants that produce seeds with some sort of covering. This might be a fruit or a hard shell, such as an…