Answer:
Viral proteins can modify the most superficial portion in such a way that it is complementary to the receptor of the human cell.
Generally this happens due to a genetic recombination between an avian virus and a human virus within the respiratory epithelium of the pig: this process underlies the emergence of new, more virulent strains of the influenza virus and underlies the emergence of influenza pandemics
Genetic variations of traits in a population increase or decrease some individuals' probability of surviving and reproducing in a specific environment. Natural selection leads to the predominance of certain traits in a population and the suppression of others.
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Answer: option c is the correct one
Explanation:1) Fungi => heterotrophic eukaryotic organisms
2)Plantae=>autotrophic multicellular eukaryotes with cell wall
The order of mass movement event that gives people the least amount of time to react is:
<h3>What is Mass movement?</h3>
This is defined as the movement of rocks or soil down slopes under the force of gravity.
The one with the fastest movement is avalanche and the slowest is creep thereby making the above order is the most appropriate.
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A body that does not produce much internal heat
