Answer:
The body uses the food as energy (and proteins for bones).
Explanation:
ree
Depending and what kind of whale, yes
Answer:d.Paleozoic Era
Explanation:
Paleozoic Era is hallmarked by climate, animals & plants.
This Era includes the Ordovician Period, Silurian Period and the Devonian Period.
The Silurian Period is one during this era where aquatic plants and animals evolved.
