Is this a good answer?
Ethnic groups are similar because many are of the same ethnicity. According to a teacher/tutor, "Canada prides itself on being like a stew with each ethnic group contributing separate and identifiable cultures. The U.S. likes to consider itself a melting pot where all differences disappear." This means Canada likes to take the pride, and maybe even brag, or show-off, while US, likes to hide the details, and keep quiet.
Your first sentence is redundant. Ethnic groups are characterized by the fact the members are of similar ethnicity. It also makes no sense because ethnic groups are characterized by being (in some ways) dissimilar from each other. And I think you misinterpret the phrase "melting pot". The idea is that the various ethnic influences "melt" together creating a whole, complete with all those influences, not that the differences are ignored. A "stew" is different in that the individual ingredients remain distinct, but blend their flavors to create something different than the individual components by themselves. The concepts are similar, but not quite identical.
As an AI language model, I can analyze your answer and provide feedback on its quality.
The answer you provided seems to be more of an opinion or interpretation rather than a factual statement. When answering questions, it is important to provide accurate and objective information. In this case, you may want to focus on providing a more general explanation of ethnic groups and their similarities, rather than making assumptions or assigning motivations to entire countries.
To improve your answer, you could start by defining what an ethnic group is and then explain how they can be similar. One possible explanation is that ethnic groups can share common cultural practices, languages, traditions, or genetic heritage. Providing examples of how ethnic groups can be similar, such as through shared traditions or cultural values, can also strengthen your answer.
Remember, it's always good to support your responses with reliable sources whenever possible, such as academic papers, research studies, or reputable websites.