The correct answer is Mitosis !! B !!
Mitosis did not do DNA varriations !!
Seed travel allows the offspring of a plant to grow farther from their parents. This prevents them from competing with each other over resources.
Answer:
excretory system and circulatory system
Explanation:
Blood is part of circulatory system and as it move through various organs it exchanges the gases i.e give oxygen to the cell and take carbon dioxide from them. After taking CO2, the blood becomes impure and hence it passes through the kidney before going to the heart. Kidney is part of excretory system which removes carbon dioxide from blood and thus purifies it.
I believe it is mRNA- messenger RNA
Answer:
astronomical unit (AU) and light years
Explanation:
