They were the first life forms to evolve, and today they number in the nonillions. That's 10 with 29 zeroes after it. If that doesn't convince you of their significance in biology, perhaps the fact that you yourself are home to entire communities of the little critters will get your attention.
Neighbours on All Sides. Botswana is bordered in the South by South Africa, with many immigration checkpoints linking the two countries. In the West the country is bordered by Namibia, in the East by Zimbabwe and in the North by the Caprivi Strip of Namibia. The only geological feature of note that forms a part of a border with a neighbouring country is the Linyanti/Chobe River system in the North on the border with Namibia.
Best Answer: Bordered on the north by the United States and on the southeast by Guatemala and Belize. All its other borders are water (Pacific Ocean, Caribbean Sea, and Gulf of Mexico). Nova Scotia, Scotland and Loas.