Which best describes the nature of cellular respiration? a. it is an energy-seeking process. b. it is an energy-gathering process. c. it is an energy-releasing process. d. it is an energy-destroying process.

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?