Red blood cells transport oxygen, white blood cells attack foreign substances out organisms, and platelets make blood clotting possible by plasma proteins and cell fragments. Hope this helps.
Answer:
Rabbits are adapted to a certain type of environment and conditions, not certainly winter. So this effect the survival rate of the rabbits.
Moreover, their diet intake may be affected, for example, they are herbivores, so the plants they consume might not be present in this harsh season.
Then, competition with other animals increases as well, so the rabbits might have more predators.
Hydrogen bonds i hope that helps