The answer is C.
It took approximately 50 million years for feathers to evolve into being able to be used for flight. It started with dinosaurs running up an incline and flapping their feathered arms to provide extra speed. To gliding short distances from a high point. To the ability to fly short distances. To the ability to fly far distances (modern birds). This process took 50 million years.
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They comprise the Calvin cycle. hope i helped <3
Um not really how to respond just gonna take the free points
There are generally three kinds of mutation.
1. Substitution
2. Deletion
3. Insertion
A substitution is change one nucleotide for another
A deletion is removing a nucleotide
An addition Is inserting a nucleotide