2. Insertion
would cause a frame shift in the polypeptide chain and potentially cause a stop codon.
The answer is not a because all RNA contains ribose. The answer is not c because all RNA contains uricil And the answer is not D because all RNA is single-stranded. Therefore the answer is B
Because through natural selection, only the fittest survive. when the fittest come together and reproduce then the species continues and evolves with only the fittest and strongest genes.
Correct answer - A (Elephants have few offspring, so they need to protect them from predators.)
Why? - The herd is led by the oldest and often largest female in the herd, called a matriarch. They live in herds so that the young elephants stay safe from predators.