Which of the following represents the correct hierarchical organization of life from the smallest to the largest scale?
A. Organs, tissues, cells, organisms, populations, communities, ecosystems
B. Cells, organs, tissues, organisms, populations, communities, ecosystems
C. Tissues, organs, cells, organisms, populations, communities, ecosystems
D. Cells, tissues, organs, organisms, populations, communities, ecosystems

Correct Option: Answer is D
The correct hierarchical organization of life from the smallest to the largest scale is as follows: cells, tissues, organs, organisms, populations, communities, ecosystems.