Based on the clue 'a bison skull above a diverse landscape the words...', what is the answer?

What is referred to by 'a birthstone pl'? Based on the clue 'a bishop would know this term for a corner where t...', what is the answer? Based on the clue 'a bishops assurance that a book adheres to catholi...', what is the answer? Based on the clue 'a bishops bailiwick can be a bishopric or this syn...', what is the answer? Based on the clue 'a bit longer than a cocktail dress one hemmed to e...', what is the answer? Based on the clue 'a bit of an eccentric this poet sister of astrono...', what is the answer? Based on the clue 'a bit of serendipity will lead you to this country...', what is the answer? Based on the clue 'a bit role as a mugger in death wish marked the fi...', what is the answer?