Did the earth always have enough oxygen to support aerobic respiration? In your answer describe the important organism(s) involved in the evolution of photosynthesis. Why were these/this organism important to forming today's current environment. Use the following websites to support your answer. You must cite the websites posted below and any other sources that you use to answer the post using APA 7 rules. Articles to read:

https://evolution. berkeley. edu/evolibrary/news/170503_cyanobac teria (Links to an external site.)

https://www. scientificamerican. com/article/timeline-of-photosynthe sis-on-earth/

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

answercoenzymes;

answer///blank(1) increased blank(2) significantly;