<span>Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.</span>
A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
<span>And of a large group of organized compounds occurring in foods and living tissues. </span>
Answer:
they are called Mechanical waves and there are two kinds Transverse waves and compressional waves. Where matter in the medium moves back and forth at right angles to the direction the wave travels. I hope dis helps :3
