Deserts are one of the harshest environments on Earth, but many plants, peo...More
Grasslands are one of the most amazing environments on Earth and many plant...More
The oceans are one of Earth's unique habitats, but many plants and animals ...More
Rivers and lakes are one of Earth's unique habitats, but many plants and an...More
Rainforests are one of the most amazing environments on Earth and many plan...More
The polar lands at and seas around the North and South Poles are one of Ear...More
