2. Why are biologist concerned about because system disruption?
Answer:
Homeotic genes controls the identity of body parts and the proteins it codes for are transcription factors. Mutations of the homeotic genes cause structures to form in the wrong place. Hox genes are responsible for directing the body plan along the AP axis and the proteins it codes for are transcription factors.
The worst method for disposing of waste would be the option of Deep-well injections. In other words; disposing of bad waste, only liquids deep underground
An example of a disorder that could be caused by a nutritional deficiency is anemia.