Rainforests play a critical role in absorbing carbon dioxide and producing oxygen for all animals. They stabilize the climate, house incredible biodiversity, and produce rainfall around the world. Coral reefs are similarly biologically diverse ecosystems in the ocean, supporting thousands of marine species and protecting coastlines. Both ecosystems are vitally important for sustaining life on Earth through their roles in climate regulation and provision of resources.

1.  They are both very important and both completely different
worlds,
Rainforest.
 Flying over the heart of the Amazon is like flying over an ocean of green: an expanse of trees
broken only by rivers. Even more amazing than their size is the role the Amazon and other
rainforests around the world play in our everyday lives. While rainforests may seem like a
distant concern, these ecosystems are critically important for our wellbeing. Rainforests are
often called the lungs of the planet for their role in absorbing carbon dioxide, a greenhouse gas,
and producing oxygen, upon which all animals depend for survival. Rainforests also stabilize
climate, house incredible amounts of plants and wildlife, and produce nourishing rainfall all around
the planet.
The Coral Reef.
 Coral Reefs are among the most ancient of Earth's natural
wonders. Because they are the most biologically diverse
ecosystems on the planet--second only to the great rain
forests of the world--coral reefs are aptly and often referred
to as "rain forests of the sea." They are important to
sustaining the life cycles of thousands of marine species, to
providing protection to shorelines and inhabitants living near
coastal waters, to the economic survival of coastal communities
and to supporting human life through development of