Why is it important to have a standard system for classifying organisms?

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

What is the correct trna sequence that would match the following mrna sequence.gcgaua

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line