Â©2003 Why is there a decision to make about having mammograms to screen for breast cancer? A mammogram every two years to screen for breast cancer reduces the chance of dying from breast cancer among women aged 50 to 69 years. It is unclear if women aged 70 years and older get the same benefits. mammogram every two years to screen for breast cancer reduces the chance of dying from breast cancer among women aged 50 to 69 years. It is unclear if women aged 70 years and older get the same benefits.
Temperate grasslands are located north of the Tropic of Cancer (23.5 degrees North) and south of the Tropic of Capricorn (23.5 degrees South). The major temperate grasslands include the veldts of Africa, the pampas of South America, the steppes of Eurasia, and the plains of North America.
The Temperate Grassland is very low in diversity in terms of Animals, especially in comparison with the Tropical Grasslands. Some of the Animals include North American Bison, Pronghorn Antelope, Pocket Gopher, Ground Squirrels, Prairie Dog, Coyote, Badger and Black-Footed Ferret.. Temperate Grasslands-Temperate Grasslands are located in the mid-latitudes, north of the Tropic of Cancer and south of the Tropic of Capricorn. They generally lie between Deserts and Temperate Forests. Temperate Grasslands have a temperate continental climate, which is cooler than Savannahs.