Biosphere

The video explores the vastness of Earth's biosphere, highlighting that life exists in diverse environments beyond human habitats. It discusses birds flying at high altitudes and life thriving under extreme conditions, such as the deep oceans and underground hot rocks.

What does the term 'biosphere' encompass?

• Only the atmosphere

• Only the oceans

• All parts of Earth and its atmosphere where life can exist

• Only the land areas where humans live

How high have some birds been known to fly?

• 5,000 meters

• 8,000 meters

• 11,000 meters

• 15,000 meters

In which extreme environment can life be found?

• The surface of the moon

• The deep oceans

• The Arctic ice

• The Sahara Desert

Where else can life be found apart from the oceans and atmosphere?

• In the vacuum of space

• In hot rocks deep underground

• In the clouds

• On the surface of Mars

What does the presence of life in hot rocks deep underground demonstrate?

• The adaptability of organisms

• The need for sunlight

• The fragility of life

• The importance of water