Raw materials needed for photosynthesis are chlorophyll carbon dioxide oxygen water nitrogen

Explain the significance of thesaurus geographicus

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?

Were you able to observe the nucleolus in any of the cells if so which ones