Which of the following ideas is supported by darwin's observations of local variation among tortoises in the galapagos islands?
a: artificial selection
b: adaption
c: acquired characteristics
d: tendency towards perfection

Which statements best describe monsoons? check all that apply. they force cool, moist air from oceans to rise. they are winds that blow in the opposite direction of a normal wind. they bring rain in the summer and drought in the winter they increase rainfall in south asia, africa, and australia. they influence precipitation as wind moves near a mountain.