Most mammals including humans are endothermic. Reptiles and amphibians are ectothermic.
The exploitation of biological processes for industrial and other purposes especially the genetic manipulation of microorganisms for the production of antibiotics , hormones, ETC
In a traffic circle, roundabout signs control the traffic. I hope this helps. :)
B. Segregation.
I have the same question and answered it and this is what it told me. I think it should be right.
