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.
4 Because animals that raise their young in packs is a cooperative task
Their energy is from what they catch and eat, other insects (and small animals sometimes).
Answer:
Most liverworts can reproduce asexually by means of gemmae.
Explanation:
These are disks of tissues produced by the gametophytic generation. The gemmae are held in special organs known as gemma cups and are dispersed by rainfall.