the 5 unifying themes of biology
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Evolution
evolution by natural selection is biology's core unifying theme and can be seen at every level in the hierarchy of life.
the relationship of structure and function
the structure of an object, such as a molecule or a body part, provides insight into its function, and vice versa.
information flow
within biological systems, information stored in DNA is transmitted and expressed.
energy transformation
all biological systems depend on obtaining, converting, and releasing energy and matter.
interconnections within ecosystems
all biological systems, from molecules to ecosystems, depend on interactions between components.
