Answer:
They were not around at that time or either from it being so hot they just disappeared/melted.
Explanation:
This is true I looked up in the science dictionary.
The climate of the tropical zone characterized by a very wet season alternating with a very dry season is wet/ dry topical climate.
Homeostasis is maintained by the respiratory system in two ways: gas exchange and regulation of blood pH. Gas exchange is performed by the lungs by eliminating carbon dioxide, a waste product given off by cellular respiration.
