The better we understand the behavior and ecological niche of an endangered species, the better chance we have of saving it.
Statements
There are two "volume dial" relationships, with an overlapping ingredient, so we should presumably chain them together.
The more individuals of a species we study, The better we understand a species, The better a chance we have of saving it.
Goal
Since correct answers love to reward us for connecting things together, we can anticipate that an answer might sound like,
, or conversely .