AP BIOLOGY

Detailed explanation-1: -Tropical grasslands have dry and wet seasons that remain warm all the time. Temperate grasslands have cold winters and warm summers with some rain. The grasses die back to their roots annually and the soil and the sod protect the roots and the new buds from the cold of winter or dry conditions.

Detailed explanation-2: -These grasslands have a temperate climate with cold winters and hot summers. The temperatures can vary from-40 degrees Fahrenheit to more than 100 degrees Fahrenheit. Rainfall plays a major role in the characteristics of the grasslands.

Detailed explanation-3: -Provides high quality, relatively inexpensive feed for livestock and wildlife. Provides wildlife habitat. Helps maintain soil fertility because it encourages higher levels of soil organic matter than row crops. Sustains levels of soil organic matter.

Detailed explanation-4: -All the major food grains corn, wheat, oats, barley, millet, rye and sorghum are produced in grasslands. Grazing grasslands eg sheep and cattle also produces food including meat and milk. Fibres such as wool and cotton are produced in grassland biomes.