Question

Gaia hypothesis states that:
"Living systems act as environmental regulators ensuring chemical levels stay within limits congenial to Gaia's health."
What does "environmental regulators" stand here for?

• A. Temperature
• B. Oxygen
• C. Water
• D. Technology

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Temperature

B

Oxygen

C

Water

"Living systems act as environmental regulators ensuring chemical levels stay within limits congenial to Gaia's health."
Here "environmental regulators" stands for systems that help to maintain and perpetuate the condition for life on planet Earth. These include surface temperature, oxygen in the atmosphere and other atmosphere conditions such as pressure, ocean salinity, the water content in hydrosphere etc.