... protected park areas in Africa that have a large concentration of elephants. The elephants eat the leaves and twigs which break the branches of trees, smashing the trunk and stripping the bark of the trees. Annual fires then maintain this area (Brown, 1972). The end of the rainy season begins usually in October starting with a series of thunderstorms, followed by strong drying winds. Fires usually begin ... to occur in January, at the height of the dry season. ... widely reported observation about their biology is that several rodent species periodically undergo dramatic population ou...

• Word Count: 2357
• Approx Pages: 9
• Has Bibliography
• Grade Level: High School

... land cover. Activities which can be particularly harmful include: Clearing of vegetation, especially on steep slopes. This leaves the soil open to erosion by water. Cultivating the land for too long without putting anything back. Crops take the goodness (the nutrients) out of the soil to help them grow strong; if these nutrients are ... . Ploughing up and down slopes causes rainwater to flow down the slope along the furrows, and leads to erosion Overgrazing, where the ability of the grass to regrow the next year is damaged. This often causes bare patches, which then can be eroded by the w...

• Word Count: 462
• Approx Pages: 2
• Has Bibliography
• Grade Level: High School

... This river runs through the Maasai tribe and into the Victoria Lake, calm areas of the river have hippos and crocodiles. They stalk the water buffalos. The grasslands have red oat which is the most common grass in the plains. The plains have many animals like zebras and wildebeest. Many young ... animals come to the grasslands to graze on the oats. Another landmark is the Nagama Hills. There is sand soil all over the ground and covered by plants called croton dichogamus. The leaves of this plant ... are strange. When it's young, the underside is silver. When the leaves get older, the un...

• Word Count: 762
• Approx Pages: 3
• Grade Level: High School

... they don't they will become extinct. All laws apply to all creatures on the earth and humans are not excluded. The problem is that humans go out of their way to stop competitors. Ishmael gives and example here using a different animal and how it would be if they were doing what the humans do. ... have enough food, so they would kill off all of the other animals that eat the grass so the deer would have plenty of food so they would multiply. Mother Culture's story of "how things came to be this way" is, "If Mother Culture were to give an account of human history using there terms, it wou...

• Word Count: 2298
• Approx Pages: 9
• Grade Level: High School

... in the wet season, and aggregate in camps in the dry season around the few permanent water holes. A !Kung encampment consists of grass huts arranged roughly in a circle, constructed around an area of clearing in the center; these huts are constructed quickly and rarely used for more than a few months at a time. The ... surroundings. The movie also shows how they have adapted to the lack of water during drought by collecting dew on leaves set out the night before and by digging up roots, shaving pieces off, and squeezing the water out of the shavings. I thought it was rather comical how th...

• Word Count: 3399
• Approx Pages: 14
• Has Bibliography
• Grade Level: High School