Question

question 21
which of the following lists best illustrates the idea of increasing levels of complexity?
a organs, organelles, organ systems, cell, tissues
b organelles, cell, tissues, organs, organ systems
c tissues, cells, organs, organelles, organ systems
d cell, tissues, organelles, organs, organ system

Explanation:

Organelles are parts of a cell. Cells make up tissues. Tissues form organs. Organs work together in organ systems. So the order from simplest to most complex (increasing levels of complexity) is organelles → cell → tissues → organs → organ systems.

Answer:

B. organelles, cell, tissues, organs, organ systems