A woman of blood type A marries a man with blood type O. The woman's mother had blood type B and her father had blood type AB. The man's mother had blood type B and his father had blood type A. What is the genotype of the woman's mother?
a) AO
b) BO
c) AA
d) BB
e) AB
f) O

Secondary succession would most likely be taking place in a(n)

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d