Which of the following are structural or functional characteristics of RNA? Select all that apply

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

What is the most abundant vertebrate on earth?