Answer:
B. Phosphorus exists as a single element in both living and nonliving things.
Explanation:
The correct answer for the question that is being presented above is this one: "TRUE." <span>Teeth patterns in animals and thorns in plants are examples of characteristics that a taxonomist might observe for keying. The statement show a positive and true idea.</span>
<span>Constructing recombinant DNA or rDNA scientists
should combine both DNA from two different species. Based on study, rDNA
is possible if both DNA that should be combined should have the same chemical </span><span>structure.
Most o the DNA do have the same structure they only differ in nucleotide
sequence. </span>
<em>Use a punnet square to solve the problem.</em>
<u>RG Rg rG rg </u>
<u>rg RG Rg rG rg </u>
<u>rg RG Rg rG rg </u>
<u>rg RG Rg rG rg </u>
<u>rg RG Rg rG rg</u>
A) Crossing - over
The answer may be, Replication, but I am unsure.