Answer:
Excretion helps maintain Homeostasis by excreting wastes from the body, which eliminates harmful toxins housing themselves in your body, which would increase the chance of getting an illness. ... When you exhale, carbon dioxide and some water are removed from the body by the lungs.
<span>The environment has a greater amount of long nectar tubed flowers and short nectar tubed flowers causing disruptive selection in medium bill length birds.
</span>
i think its energy that made by our body.. its form from a chemical substance (from food). The chemical energy in our body is the heat we give.
A. knowledge of the enviroment.
D. kangaroo.................................................................
