D. the number of mates on the island
their appearance changes cause different birds breeding together can make an impact of how the bird looks
The correct answer to this question is this one: they lacked oxygen. The earliest organisms were completely heterotrophic in nature because of the reason that they lacked oxygen. <span>A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth. </span>
100,000 years ago is your answer
Answer:
Anaerobic respiration
Explanation:
Glucose —> lactic acid —> carbon dioxide and water
Anaerobic respiration
Geo wild card spot on my a open relationship between the two of you are not up for
