<span>a method of measuring net migration between two dates by comparing the estimate of total population with that which would have resulted solely from the components of birth and death, with the residual attributable to migration</span>
Phylum. the order goes: domain, kingdom, phylum, class, order, family, genus, species
They can make food, help keep the environment clean, and make medicines.
Answer:
This barrier prevents the individuals on one side from reproducing with the individuals on the other.
Explanation:
Hope this helps
Answer:
1 day.
Explanation:
From the given information:
The rate of mutation induced by RNA polymerase is:

Since the genome comprise of 19000 bp;
To complete a single replication, the viral cycle induce: 

However, in a single day; 10,000,000,000 viruses are reported to be replicated.
Hence, if a virus has 2 mutations; Then 10,000,000,000 virus will have:

SO, to round this up to whole number, it will take 1 day (s) to overcome the therapy.