One of these subsequent events is organogensis, which gastrulation makes possible by allowing the different germ layers to differentiate into major body tissues and form functioning organs. The germ layers that are established during gastrulation are the endoderm, mesoderm, and ectoderm.
Eilean Donan Castle is a medieval castle on the small island of Eilean Donan in Loch Duich in the western Highlands of Scotland.The island is dominated by its famous picturesque castle.ilean Donan Castle is a medieval castle on the small island of Eilean Donan in Loch Duich in the western Highlands of Scotland.
Conwy Castle. Conwy Castle, a World Heritage Site, is a magnificent fortress in North Wales. Built by James Saint George for King Edward I, it has towered over the medieval town of Conwy ever since.onwy Castle. Conwy Castle, a World Heritage Site, is a magnificent fortress in North Wales. Built by James Saint George for King Edward I, it has towered over the medieval town of Conwy ever since.