What function does the limb serve in each animal?

Movement that support the animal, like its need to eat, to defend itself and more.

Homologous is a type of feature that is shared or inherited

from common ancestors.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

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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.