Terrestrial life was well established by the Carboniferous period. Amphibians were the dominant land vertebrates, of which one branch would eventually evolve into reptiles, the first fully terrestrial vertebrates. Arthropods were also very common, and many (such as Meganeura), were much larger than those of today.
Full Definition of TEAPOT. : a vessel with a spout and a handle in which tea is brewed and from which it is served. See teapot defined for English-language learners.efinition of TEAPOT for Kids. : a pot for making and serving tea.
For other uses, see Sunspot (disambiguation). Sunspots are temporary phenomena on the photosphere of the Sun that appear as dark spots compared with surrounding regions. They are areas of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. Sunspots usually appear in pairs of opposite magnetic polarity.