Maybe its I think it's false
Answer:
I would say bias.
Explanation:
bias: prejudice in favour of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
"there was evidence of bias against foreign applicants"
When you are being biased, you are putting your own opinion into what you are doing or you are trying to persuade the person hearing you, reading what you wrote.
Therefore, Evidence without bias increases its reliability.
First they minimize the size of their leaf to prevent evaporation, second they have big trunk that could hold a lot of water, and third they have this long root to search water