Mutation is the correct answer.
Some of the evidence comes from fossils, and some comes from studies that show how similar living things are to one another. By the 1930s, scientists had also learned about genes. As a result, they could finally explain how characteristics of organisms could pass from one generation to the next and change over time
Answer:
It is faster and depends on chemical messenger (hormone
I guess this one is right, to be sure ask from someone else 2
Explanation:
One of the most significant differences between the nervous system and endocrine system is that the nervous system uses electrical impulses to send messages through neurons while endocrine glands use hormones to send messages to the target cells through the bloodstream.
I believe that sliding filament model of contraction states that; during contraction, the thin filaments slide past the thick filaments so that actin and myosin filaments overlap. According to this model the myosin or thick filaments of muscle fibers slide past the actin or thin filaments during muscle contraction, while the two groups of filaments remain at relatively constant length.
I think that the first answer is correct, “birds feed off the flies that swarm around buffalo.” Hope this helps!