Possible answers:
[I] health.
[II] salmon.
[III] coded genes.
[IV] Digestion.
[V] Energy..
[VI] proteins.
[VII] energy.
[VIII] glycogen.
Given those answer options, answer the question: Fact 1: An animal requires nutrients for survival. Fact 2: Proper digestion is vital for nutrient absorption. Given the two facts above, what is something that is important for every animal's survival?
A:
[IV]