Many lower animals, like this starfish, and members of the kingdom protista can reproduce while the higher animals, like the vertebrates, cannot.

"do a testcross with a homozygous recessive plant."

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

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