Answer:
involuntary; voluntary
Explanation:
Involuntary behaviors in organisms are unlearned behaviors exhibited as a reflex response to a stimuli around their environment. They are usually unconscious behaviors. On the other hand, voluntary behaviors are deliberate behaviors exhibited by an organism consciously. They are actually under the control of the organism, and can be learned.
If Inez blinks her eyes because a gnat flies close to them, that's involuntary. But if she then swats at the gnat, that's voluntary.
Although the evidence is only indirect, fever is believed to enhance the body's immune response. The increased temperature may actually impair the replication of infecting bacteria and viruses that are adapted to survive best at your normal homeostatic body temperature range. Hope this helps.
No only test on variable at a time or els you may get incomplete results
5.09 x 10 to the 6th power
"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....