Answer:
The mechanism is natural selection.
Explanation:
Natural selection is the mechanism that these air-breathing fishes have gone through to survive. This mechanism allows species to survive and reproduce due to differences in the phenotypes of every individual in the specie, throughout the time the heritable traits that every individual inherits changes according to the environment and the characteristics of its ancestors.
The answer to your question is both C
Answer:
A high specific heat of a substance means that a large amount of heat is required to raise the temperature of the substance. ... Water covers around 70% of the Earth's surface and its high specific heat plays a very important role as it is able to absorb a lot of heat without a significant rise in the temperature.
<span>Primase is the enzyme that synthesizes small fragments of RNA in the strand lagging in DNA replication. The primase does not need a primer to synthesize and the RNA residues are removed by DNA polymerase I, due to their exonuclease capacity and filled with DNA fragments also by DNA Pol I. Finally, all these discontinuous DNA segments are linked by a ligase.</span>
