Which of the following lists the levels of biological organization in order from simplest to most complex?

a. cell, cardiac muscle, heart, cardiovascular system, human
b. cardiac muscle, cell, human, heart, cardiovascular system
c. heart, human, cell, cardiac muscle, cardiovascular system
d. cell, heart, human, cardiovascular system, cardiac muscle
e. human, heart, cardiovascular system, cardiac muscle, cell


Ans: a. cell, cardiac muscle, heart, cardiovascular system, human

Biology & Microbiology

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Fill in the blank(s) with correct word

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