All three genes are linked,and gene 2 and 3 area are strongly linked
The alteration of serial numbers belong to the "Recovery of stolen electrical goods" phase.
NC, sterilization or removing a serial range is usually charged as a secondary offense aboard a thievery offense. Generally, a person who alters or removes a serial range is doing this to hide the actual fact that they either scarf the property or received transferred possession. As such, there's a public interest in toilsome people who have interaction during this activity.
Answer:
The grasshopper doesn't have to use it circulatory system to carry gases to and from the grasshopper cells because the air that is passed through the trachea system is already close enough to get to the cells.
Explanation:
"In the grasshopper, exchange of oxygen and carbon dioxide occurs in the tracheal system. Hemolymph plays no part in the process. There is not even an oxygen-carrying pigment in insect hemolymph." - www.biology-pages.info
(Here's some extra info as well)
The reason for that is the song gets imprinted on the young birds. Have in mind that birds rised alone will sing but the local pattern will not influence the singing of that bird. So if the birds listen an adult male sing they will help the young ones to get their singing as they will serve as the closest reference. Still have in mind that young birds that are alone can also sing but in a different way, not the one proposed by the environment.
