1) what is another name for the water cycle?
2) what does it mean by dynamic balance?
3) explain the following cycles
a oxygen
b. nitrogen
c. carbon
d. phosphorus
5) what are producers and consumers?
6) what is the gia theory?
7) what is a feedback loop?
8) what are macronutrients?
9) what part do scavengers play in the cycling of nutrients?
10) what determines the rate at which the nutrients cycle?

*a mastectomy is the surgical removal of one or both breasts, either partially of fully. an oophorectomy is the surgical removal of an ovary or ovaries.analyze a woman’s risk of dying of cancer if she carries a mutated brc1 gene.how do heredity and inheritance relate to the data presented in these charts? what data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries? what does the age at diagnosis tell you about the mutation? explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.