Species Diversity 300
200
Number of Species
100
1989
1994
Before 1980 1981 1982 1983
1980
Year
Which event was most likely the cause of the changes in species diversity in this ecosystem?
A A large volcanic eruption
B A flash nood
C A small cornado
DA migration of locusts

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Are gametes exactly the same? explain why or why not?

*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.