My first thought would be to use the light in the sky for help. stars and moon as night and sun as day, you can tell by when the sun rises and moves.
Answer B sounds reasonable
Answer:
Condensation
Explanation:
Condensation is the change of water from gas form to liquid form. When water vapor in the atmosphere loses heat and cools down, condensation happens.
Your brain sends signals to your body to release hormones that make you tired. This is done as a routine, and trying to sleep at different times will mess it up.
Hope this helps!
Answer:
B) Early spermatids have not undergone meiosis and are still diploid.
Explanation:
Spermatids are formed at the end of meiosis in the testes of male. Spermatids are haloid cells in which chromosome numbers are half as compared to their parent cells. An early spermatid has not undergone morphologic changes and is considered less mature than the late spermatid.
Late spermatids undergo morphological changes (spermiogenesis) and they transform into a spermatozoa which is ready to release in the lumen.