Polymerase chain reaction to amplify the DNA would be the technique used in the blood lab.
Body part, behavioral adaptations, or by whole body descriptions
The difference between spider lungs and human lungs is the following
* Spiders have two ways for respiration, the trachea and the book lungs.
* They are much more simpler than the human respiratory system
* They have a different structure.
Answer:
Forests. (Photosynthesis)