For the following questions, compare the light reactions with the Calvin cycle of photosynthesis in plants. Requires glucose: a. neither the light reactions nor the Calvin cycle b. the Calvin cycle alone c. light reactions alone d. occurs in the chloroplast but is not part of photosynthesis e. both the light reactions and the Calvin cycle

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?