Answer:
Vestigial structures do not have a function, yet they are homologous to functional structures in related species. They are important because they provide clues to the ancestry of the organism. Many species look similar as embryos.
This condition is caused by a genetic defect found in the X chromosome, and therefore, you can conclude your answer from this info.
Atoms, molecules, cell membranes, then cell (in order from smallest to biggest).
Answer:
In a pinhole camera, light passes through the pinhole to project an upside-down image onto the back of the box, and in the human eye, light passes through the lens to project an upside-down image on the back of the retina
