<h2>The Common between a Polar Bear and a Bird </h2>
Polar bear and a bird have in common that they both thrive in some of the hardest weather in the world. Both have similar eating habits that they like to eat fish. They both also have similar survivial living condition which is in cold weather. Along with this Polar Bears and Birds can swim in water easily even if its the peak weather.
Answer AND Explanation:
Mutation is a spontaneous change in the DNA. Gene mutation refers to changes in the nucleotide sequence in a particular gene while chromosomal mutation are changes in the gross structure of chromosomes.
During transcription or translation, RNAs are formed which are not heritable. Many copies of RNA are produced and a single bad one is not a big problem to the organism. Mismatch repair enzymes can fix any errors that were missed by the polymerases during transcription.
The air which is oxygen ( H^2 o) helps the organisms procreate.