Viral infection by consuming animal diet is very common these days. These generally cause global pandemic. Most of the pandemic virus are influenza virus, which causes flu like symptoms in humans as well animals including birds, and poultry animals.
The H1N1 virus, which a Influenza A virus causes many type of infections, which includes Swine flu, Cat flu etc. The cat flu is a flu, which is known to be caused by eating cats. The viruses are well known to evolve and mutate easily and cause the changes in the subtype. The mutations in subtypes of viruses makes it difficult to make a vaccine for these types of flu.
Hence, the first blank can be filled with Subtypes, second blank can be filled with Influenza A and the third blank can be filled with Cat Flu.
Answer:
leaves
Explanation: you just got coconut malled send this to a friend to totally coconut mall them
The answer is D for your problem.
Answer:
B. Organ system
Explanation:
Cells are the smallest level of organization. They make tissues and tissues make organs like heart and lungs. Organs make organ systems which are the highest level of organization such as respiratory system which includes organs like lungs etc.