can you please post the chart?
If the web happened to look like this one I attached then the anwser would be shrubs. If you take a look at the arrows the shrubs energy is moving to rats, insects and lizards which in turn feeds the coyotes. The starting point is shrubs and in general most food webs start with plants.
Transcription is from DNA
<span>mRNA is a template that serve as a temporary copies of the
information that is found in DNA while rRNA is a structural components of ribosome
which is a protein making structure and tRNA transfered amino acid to the ribosome
to be assembled. However, characteristic shared by eukaryotic mrna,
trna, and ribosomal rna is that <span>they are all
transcribed from DNA.</span></span>