Some toads that live in a hot, dry environment bury themselves in the soil during the day.
what characteristic of living things does this behavior describe?

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave

the answer is a) cell division.

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