Bones of snakes are very loosely fused together like in humans. Hence these bones can move individually allowing the snakes to be really flexible. The ribs of snakes do not join like those of humans but instead, have free ends and do not have a sternum.
It would be shark againts fish i think
The characteristics that suit a species for survival are transmitted from one generation to the next through genes which are the units of hereditary information.
<h3>What is a Gene?</h3>
This is referred to as the basic functional unit of heredity and is composed of DNA which are passed from the parent to the offspring.
This is done through the process which is known as meiosis in which four unique daughter cells are produced.
This is therefore how characteristics that suit a species for survival are transmitted from one generation to the next through the gene and is the most appropriate choice.
Read more about Gene here brainly.com/question/19947953
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The 1918 Spanish flu, it infected 500 million people across the globe and it had killed up to 100 million people which is about 5% of the worlds population in 1918.