The Amazon has lost close to one-fifth of its rainforest cover in the last four decades. Forest loss not only harms wildlife, including many species that live nowhere else, but it's also a big contributor to the greenhouse gas emissions (排 ) that cause climate change."I didn't know ...
Rainforests are defined as forests in which there is a high level of continuous rain. In most rainforests, the annual rainfall is over 100 inches. Rainforests contain many species of plants, insects and microorganisms. Rainforests are great resources for medicinal plants. Rainforests are also ...
The Amazon has lost close to one-fifth of its rainforest cover in the last four decades. Forest loss not only harms wildlife, including many species that live nowhere else, but it's also a big contributor to the greenhouse gas emission (排放)that cause climate change."I didn't know any...
1. True or false: The largest big cat species to ever live is believed to be the saber-toothed tiger. True. According to estimates the saber-toothed tiger could have weighed up to 880 pounds (400 kilograms) and measured more than 7.2 feet (2.2 meters) in length, making it the largest...
Many species of plants and animals would adapt or move to deal with the shift in climate, but many would become extinct. Some ecosystems are already changing drastically due to a shift in climate. The University of Alberta reports that much of what once was tundra in northern Canada is ...
earth will be great. We shall see a massive upsetting of ecosystems, very large increases in soil erosion, increases in flooding and in drought, changes in rainfall patterns and regional, quite possibly global, changes in climate. We shall also probably lose many rare plant and animal species.
T hey hope to fin d the scarlet frog in South America. T hey're also looking for species in Africa, Asi a an d A ustralia.Scientists are hopeful that they'll fin d the amphibians soon! If the creatures are out ther e, they may nee d help. Many amphibians are endangered. T he ...
There are more than 9,000 known species of grass. mikroman6 / Getty Images If you live in an apartment, you probably don't give much thought to grass. It's just the green backdrop to your on-the-go life. But as soon as you plop down a deposit on your own piece of suburbia,...
There are more than 9,000 known species of grass. mikroman6 / Getty Images If you live in an apartment, you probably don't give much thought to grass. It's just the green backdrop to your on-the-go life. But as soon as you plop down a deposit on your own piece of suburbia,...
Tropical rainforests, arguably the biggest victims of deforestation, cover only about 6 percent of the Earth's land surface [source: WWF]. However, within this 6 percent live almost half of all plant and animal species on Earth. Some of these species only live in small specific areas, which...