(Question)
Answer the following question given this paragraph: Q: In drosophila, gradients of morphogens encoded by maternal effect genes determine what? Choices: - cell mass - cells axes - body mass - body axes A:
(Answer)
body axes

(Question)
Answer the following question given this paragraph: Microevolution is the process by which organisms change in small ways over time. Q: What is the process by which organisms change in small ways over time? Choices: - spontaneous mutation - natural selection - adaptation - microevolution A:
(Answer)
microevolution

(Question)
Answer the following question given this paragraph: Why does it snow instead of rain? Air temperature determines which type of precipitation falls. Rain falls if the air temperature is above freezing (0 C or 32 F). Frozen precipitation falls if the air or ground is below freezing. Frozen precipitation may fall as snow , sleet , or freezing rain . Below, you can see how the different types form ( Figure below ). Q: What determines which type of precipitation falls in the atmosphere? Choices: - air density - moon phase - time of day - air temperature A:
(Answer)
air temperature