Hi

If common fundamental features are not taken into account when classifying animals , several difficulties may arise , including :

Without common fundamental features in classification , the difficulties would include :

1. Inconsistent grouping of species .

2. Lack of predictability in traits .

3. Confusion in scientific communication .

4. Inaccurate phylogenetic relationships .

5. Limited understanding of evolutionary biology .

6. Increased complexity in research .

7. Hindered conservation efforts .

Hope this information helps you .

Thank you .

If common fundamental features were not included in animal classification, then there would be several problems:

1. Classification will be random
Classification will be chaotic
Classification will be illogical
2. Lack of evolutional relation
Identification of evolutionary relationships among different species will become a tough job
Origin and diversification of life forms cannot be traced properly.
3. Misleading Indications for Evolutionary History: Misclassified species may give misleading indications of the evolutionary history of animals.
4. **Scientific Research Blocked:** Scientific research in fields like genetics, ecology, and conservation biology relies on a proper system of classification. A wrong one will be a block to scientific research.
5. Practical Conservation Differences Correct conservation requires correct identification and classification of species. Otherwise, a wrong classification system might give incorrect working principles for conservation.

In an attempt to create a scientifically valid and rational system of classification, scientists would take into account common fundamental features. It is helpful in understanding the diversity of life on Earth.