Which action is not an example of someone maintaining homeostasis? 1. a woman breathing hard while jogging
2. a man bleeding from a cut
3. a girl sweating because it's hot outside
4. a boy shivering in the cold

Secondary succession would most likely be taking place in a(n)

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 basic types of tissue in the human body are