How is RNA different from DNA? A. DNA is double stranded, contains uracil, sugar is ribose

B. DNA is single stranded , contains thymine , sugar is deoxyribose

C. RNA is single stranded, contains thymine , sugar is ribose.

D. RNA is single stranded , contains uracil , sugar is ribose

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

How many pounds does the earth weigh?