Ans.
Homeostasis is defined as a balanced or steady state of internal conditions of cells of living organisms. Organisms grow and reproduce to maintain the homeostasis.
Cell growth involves development and division of the cells. Control of cell size and growth through regulation of cell division and cellular reproduction is known as cell cycle regulation. Various cell cycle checkpoints get involved in regulation of cell growth and reproduction to maintain cellular homeostasis.
i think its A but iam not sure..........
Answer:
The answer is "planet C"
Explanation:
The answer would have to be C because of the mass of the planet, some people would say that is not exactly true in a lot of cases but in your problem the planet with the most gravitational exert would have to be planet C .One last thing you should know...'the Universal "LAW" of gravitation'. Laws/Principles can only be verified and cannot be proved. Laws are conclusions based on experiments.
<span>Some of the plants that made up coal were various ferns, and trees that no longer exist, like the lepidodendron, which was a scaly trunk with no limbs. Calamites, which are similar to the horsetail plant seen today. Seed ferns and glossopterids, also now extinct, were a basis for coal composition.</span>
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