The science of classifying organisms based on features they share is called
a. the phylum system
b. the domain system
c. classification
d. taxonomy

Taxonomy

Explanation:

Taxonomy is science centered on classification of species.

the man is bald so he has no hair to get wet

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