Which of the following is true about transcription? both sides of DNA are copied in transcription

codons are composed of four amino acids

transcription begins at a start codon and ends at a stop codon

transcription requires DNA polymerase

transcription begins at a start codon and ends at a stop codon

Explanation:

poison levels are being represented and it show how much poison the producer has and how much the consumer has   and damage the organisms in it, particularly in the predators at the end of the chain. this is because accumulating compounds cannot be excreted.