Which of the following is associated with the planarian's nervous system?

regeneration

flame cells

diffusion

ganalia

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

What best describes the structure of the declaration of independence?

How is transcription similar to translation in terms of base pairing?