What would happen if mushrooms were producers?

What is the one part of the nucleotide  that differs among the other different nucle  tides?

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred

The open ocean of any depth is called the