The neuron, or nerve cell, is the basic functional unit of the nervous system
Answer:
Due to convergent evolution/ analogy
Explanation:
Analogy in evolution is the development of similar or analogous structures in distantly related species occupying the same environment. This is because the species have developed similar adaptations, over time, that enables them to survive in their environment.
1. Pavement (Cinders)
2. Cement (Glass)
3. Tires (Rubber)
4. Protein (Corn Stalks)
5. Fuel (Garbage)
Hope this helps!
