The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.
I disagree because although recycling is good, Earth firstly is not a closed system and new matter enters the environment all the time, such as comets.
Solar energy is used and made into chemical energy that is glucose used water and carbon dioxide (CO2) and also Oxygen (O2) is released as a output as well
