Why does geological isolation cause speciation

Because since the species is isolated with its partners it has to find another way to multiply so it uses another animal to make a new species to stay alive

Geological isolation causes speciation because as the species is seperated, different genes become dominant amongst the separated groups. Some recessive genes can become dominant and some previously dominant genes can become recessive as these groups are no longer in contact. This leads the groups to gain different characteristics that are not common amongst the group they separated from.

The ways to make sure that the bases in the RNA are correctly matched are:

- Make sure the letter T is substituted for the letter U.

- Make sure that A matches U and that C matches G.

Explanation:

In the RNA molecule there are four nitrogenous bases, two purines and two pyrimidines. The purines correspond to Adenine (A) and Guanine (G), while the pyrimidines are Cytosine (C) and Uracil (U), the latter replacing Thymine (T) which is exclusive to the DNA molecule.

During transcription, a purine must be paired with a pyrimidine, so that A is paired with U and G must be paired with C.

This is why in an RNA molecule, the nitrogenous bases are correctly matched when the letter T is substituted for the letter U and A matches U and that C matches G.

Learn more:

Nitrogen bases unique to RNA link