A species of alligator remains unchanged for 100 million years, then suddenly an ice age forces them to adapt to colder temperatures producing a sudden burst of evolution. What is this an example of? A. Gradualism
B. Punctuated equilibrium
C. Selective breeding
D. Inheritance

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.

Describe surface tension in a group of bonded water molecules

What organelle makes protein for use outside the cell?