I think the correct answer from the choices listed above is option B. The difference in biodiversity between the tundra and the tropical rain forest would be that warmer temperatures and higher average rainfall in the tropical rainforest allow more things to survive. Hope this answers the question.
The answer is B because Tundra is an extremely cold biome with almost no precipitation. A Tropical rainforest is full of precipitation which helps life grow and spread.
The thickness of the uterine lining , becomes very thick...because when the level of hormone progesterone reaches its highest levels. according to Dr.X on yahoo answers. <span> </span>
