The conversation between madame valmondé and désirée gives an example of select all that apply.

The conversation between madame valmonde and desiree gives an example of Foreshadowing; situational irony;
Considering this Quote;
Madame Valmonde "shuddered at the first sight of itIt was a sad lokking placeThe roof came down steep and black like a cowl, reaching out beyond the wide galleries that encircled the yellow stuccoed house. Big, solemn oaks grew close to it, and their thick-leaved, far-reaching branches shadowed it like a pall."

The imagery in this quote reveals the darkness of a place that is ironically called a shelter, and Madame Valmonde mentions the "pall" that is cast over the house , that being a term related to death. 

It gives the examples of situatonal irony and foreshadowing

Reduction in overall biodiversity