The body size of the individuals in a population of crabs starts decreasing. a geneticist believes that interbreeding with a smaller species may have happened. a marine biologist believes that the crabs may be undernourished. why are both of these options valid scientific hypotheses?

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

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