The data in the graph are the result of a paramecium being placed in a hypertonic salt solution. What change would most improve the usefulness of the graph?
Replace the concentration descriptions with actual values.
Plot contractions per second instead of contractions per minute.
Remove the plotted points and just keep the line.
Remove the name of the organism from the title.

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

What are positive impacts of algae? how is it used?

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.