BOTANY

Detailed explanation-1: -While forests cover nearly 30% of the Earth’s surface, they are home to 80% of the world’s terrestrial species of animals, plants and insects.

Detailed explanation-2: -Forest ecosystems are a critical component of the world’s biodiversity as many forests are more biodiverse than other ecosystems. Forests cover 31 percent of the global land area.

Detailed explanation-3: -Tropical rainforests support the greatest diversity of living organisms on Earth. Although they cover less than 2 percent of Earth’s surface, rainforests house more than 50 percent of all plants and animals found on land.

Detailed explanation-4: -Forests cover 31 percent of the world’s land surface, just over 4 billion hectares. (One hectare = 2.47 acres.) This is down from the pre-industrial area of 5.9 billion hectares.

Detailed explanation-5: -Russia is home to the largest area of forest – 815 million hectares. Brazil, the United States, Canada, China, Australia, and the Democratic Republic of Congo also have a largest forest area – more than 100 million hectares each.