At noon, a female corpse was found partially submerged on the shore of a lake. The air temperature was 26.7 ˚C (80 ˚F), and the water temperature was about 15.6 ˚C (60 ˚F). Rigor mortis was not evident, and the body’s temperature was 15.6 ˚C. Livor mortis showed noticeable reddening on the victim’s back that did not disappear when pressed. Her lungs were filled with water.

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 statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Individuals do not compete directly for resources, but are prey for the same predator