Question

order the topics from broadest to narrowest. broader conifer conservation efforts tree conservation efforts whitebark pine conservation efforts narrower submit

Explanation:

Tree conservation efforts is the broadest as it includes all trees. Conifer conservation efforts is narrower as conifers are a type of tree. Whitebark pine conservation efforts is the narrowest as whitebark pine is a specific type of conifer.

Answer:

tree conservation efforts, conifer conservation efforts, whitebark pine conservation efforts