1 There are large areas of tundra in northern North America, northern Europe, and northern Asia. 2  The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land. 3  The tundra is a very fragile biome that is shrinking as the permafrost melts. There are large areas of tundra in northern North America, northern Europe, and northern Asia. 2  The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land. 3  The tundra is a very fragile biome that is shrinking as the permafrost melts.
1 Other possible symptoms of early pregnancy include mood changes, increased urination, headaches, low backache, breast tenderness, darkened areolas, fatigue, nausea, and implantation bleeding. 2  Symptoms of late pregnancy can include leg swelling, backache, heartburn, leakage of urine, and shortness of breath.
Very early in pregnancy, ectopic pregnancies seem like normal pregnancies. A woman may have a missed period, breast tenderness, fatigue, and nausea. Symptoms of ectopic pregnancy include. 1  severe abdominal pain on one side of the body. 2  cramps and spotting. 3  vaginal bleeding. 4  shoulder pain. 5  nausea and vomiting. 6  fainting spells or dizziness.