When examining an unknown organ and identifying it through microscopy, it is required fix it with preservative.
A preservative is a specific chemical compound used to conserve a biological sample.
In microscopy, preservatives are very useful to study the anatomy of body parts and their cells.
In conclusion, when examining an unknown organ and identifying it through microscopy, it is required fix it with preservative.
Learn more about preservatives here:
https://brainly.com/question/17229386
#SPJ12