Emily is studying how a person's breathing rate is affected by aerobic and anaerobic exercise. To do this, she measures the breathing rate of her test subject while the subject engages in 10 minutes of aerobic exercise. She then measures the breathing rate of her test subject while the subject engages in 10 minutes of anaerobic exercise. Which of the following graphs would be best for Emily to use to display the data she collects? A. a single line graph B. a bar graph C. a double line graph D. a circle graph

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

What organelle other than the nucleus houses dna in a eukaryotic cell?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla