Some types of aquatic frogs bury themselves in the mud and spend the winter hibernating at the bottom of the lakes and ponds which characteristic of life does this represents

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.

Which of the following typically characterizes a tropical rainforests

When plants use sunlight to make food, the energy of sunlight is