According to the theory of natural selection, what is likely to happen to a population of birds after seeds they normally eat are no longer available and all that is left are seeds that are harder to crack open?

Answer asap! what was one main difference between japanese and european feudalism? a)japanese feudalism emerged out of a period of violence; european feudalism did not. b)japanese feudalism was influenced by religions other than christianity. european feudalism involved the exchange of land for services; c)japanese feudalism did not. d)japanese samurai and european knights did not follow similar codes of conduct.

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

What are the major political parties? how do they affect elections? will give brainliest