Answer:
Airborne transmission may occur if patient respiratory activity or medical procedures generate respiratory aerosols. These aerosols contain particles that may travel much longer distances and remain airborne longer, but their infective potential is uncertain. Contact, droplet and airborne transmission are each relevant during airway manoeuvres in infected patients, particularly during tracheal intubation.
Explanation:
The 3 zones are t<span>he surface zone, the transition zone, and the deep zone.</span>
Exaptation
Explanation:
In this example, the lateral extensions that developed were meant for thermoregulation.
But these became sufficiently large to support gliding through the air and later on were used for flight.
Thus the structure assumed a function for which it was not meant and its original function shifted to a completely different dimension giving rise to modern insect wings. So we can say that this is an example of Exaptation.
Answer:
The phenotype is the result of the interaction between the genes (i.e., genotype) and environmental factors.
Explanation:
Cancer is a disease caused by abnormal expression of genes involved in the cell cycle, mitosis, DNA replication, etc. Moreover, the abnormal gene expression may be associated with environmental factors such as smoking, alcohol consumption, etc.
