What do each of these scientists study?
volcanologist =
biologists =
meteorologist =
chemist =
can you think of an –ologist, that isn’t named on slide one that you have heard of?

what do they

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.

The image shows a group of fish. the type of social behavior shown in the image is called

If an organism displays a trait or does not display a trait,what can we say about that trait? a.it is polygenic b.it has mutated c.it is controlled by one gene