Can you pls tell me I am on a test

If the first nucleotide after the promoter on the bottom dna strand in the simulation is changed from c to t, what would the resulting nucleotide be on the mrna? test your prediction by making the change and running the simulation.

According to the cladogram, which organisms have roundworms as a common ancestor?

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?