In late nineteenth-century debates on American immigration, many scholars and government officials privileged immigrants from northern Europe over those from southern Europe, such as Italians and Greeks, because the officials felt these southern people were a separate and inferior biological race with primitive ways. This is an example of:A. ethnocentrism. B. elitism. C. genocide. D. ethnocide. E. caste boundaries.

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which of the following is a good strategy when it comes to desserts

How do the sperm cells get from the stigma to the ovules?