Answered

What caused the amount of oxygen in the atmosphere to stabilize to the extent that it is today?

AOxygen was toxic to many of the organisms living at the time.
BCarbon dioxide dissolved into the oceans, eventually forming carbonate rocks.
CCarbon dioxide dissolved into the oceans and was eventually used in the formation of sea creatures' shells.
DThe amount of oxygen consumed by respiratory organisms balanced the amount of oxygen produced by plants undergoing photosynthesis.

Verified Answer :

taskmasters

D. The amount
of oxygen consumed by respiratory organisms balanced the amount of
oxygen produced by plants undergoing photosynthesis.


Autrophs are the organisms that have the capacity to form their own food from inorganic substances like the carbon dioxide. 
Heterotrophs are the organisms that cannot produce their own food but depends on other animals or plants for their nutritional needs.

Photosynthesis is a process wherein light energy is converted into chemical energy.


Related Questions