D. all of the above is the correct answer
Answer:
2.Echosystems
Explanation:
As we know diversity means variety of different species with in the species and species are most likely concern to our echo system.
The meaning of repilcation is the repeat of the dna or dna sequence
the DNApolymerases is just combining the nuclotides that are in the dna
Answer:
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. Figure below shows the hands of several different mammals. They all have the same basic pattern of bones
