Are especially important because they are involved in a variety of processes, such as cell signaling, immune response, and enzyme activity.
a.
nucleic acids
b.
carbohydrates
c.
proteins
d.
lipids

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.