I would think the answer is B.) All species share a common ancestor and that change occurs through time.
- I've recently went over this again with my teacher. I hope this helps! (:
Osmosis is the diffusion of water molecules only through a membrane
The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.
The scrotum is the sensitive part of a male body.
The writing materials,the envelopes and the stamps are all made of paper and this led to a great waste as the papers have to be disposed after use. This is not the case with electronic mails. Electronic mails do not need paper at all and it has drastically reduce the amount of papers that is used in writing letters.
I hope this helps :)