Abird is sitting in a tree flies away as you walked by. which of the life's characteristics explains the bird's behavior

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?