Anucleotide sequence changes from tagcat to taggcat. what type of mutation occurred?

Which of the following is a testable hypotheses?

Which of the following organisms are capable of self-fertilization? a. plants b. tigers c. humans

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.