Which of the following statements supports the concept that organisms are still evolving?

a: the increasing population of humans.
b: the decreasing number of fossils found in rock.
c: the increasing need for new antibiotics and medicines.
d: the decreasing number of new species being discovered.

This is so easy how do you not know this the answer is A: The increasing population of humans. 

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.