Answer:
Answer is A. Doesn't work well for most natural objects like birds, trees and plants.
Step-by-step explanation:
A definitional approach to categorization is the approach to put or arrange things like people and objects into different categories.
Something is said to be a member of a category in as much it fits the requirements or the specifications of the category.
This method doesn't work well not only for natural objects but for human made objects too because of the differences in their features.