Hierarchical organization of living organisms is in one of the following orders ____________
A. Atoms, molecules, compound, cells, tissues, organs, systems, organism B. Atoms, molecules, organelles, cells, tissues, organs, systems, organism C. Atoms, elements, molecules, cells, tissues, organs, systems, organism D. Atoms, molecules, elements, cells, tissues, organs, organ systems, organism
Correct Answer: B
Explanation
Group of atoms join to form molecules. Aggregate of molecules gives rise to organelles which later work together in a coordinated manner as a cell. Cells, which are similar, aggregate to form a tissue. Combination tissues form an organ. Organs working together in a coordinated manner form the system. A whole organism comprises several systems e.g. reproductive, excretory, respiratory, integumentary etc.
