Troposphere is what I think it is.
Answer:
The mother can carry a full-term baby with A blood type because the mother's blood does not mix with the baby's blood, so the mother's immune system does not activate attacking the baby.
Explanation:
The reason why a mother with B blood type and A antibodies in her system can carry a full-term pregnancy is thanks to the placenta. The placenta is a shared organ between the mother and the baby. Its function is to protect the baby and produce the necessary exchanges of nutrients and wastes between the maternal blood and the baby's blood. As the two types of blood are separated, and they never get in contact during pregnancy, the immune system of the mother does not recognize the baby as a treat. The mother can have A antibodies in her plasma due to a previous pregnancy where during delivery, the two types of blood mixed, also it can be due to any contact with the A blood type. When the foreign blood enters the body, the immune system forms antibodies for it.
Answer:
Option (C)
Explanation:
Biodiversity usually refers to the different varieties of life forms that exist on earth. This includes the varieties in terms of ecosystem, and species and genetic changes.
This biodiversity is directly dependent on the region where there occurs a high amount of sunlight and precipitation. The factors such as latitude, climate, height, availability of resources are important for the growth and expansion of biodiversity. In these regions, the biogeochemical cycle also occurs rapidly, as the processes that are associated with it occur at a faster rate, thereby enhancing biodiversity.
Thus, the correct answer is option (C).
Check points throughout the cell cycle that determine when the cell should begin the next phase
