How is the genetic information of bacterial cells organized differently from that of eukaryotic cells?

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?

Why are common names a problem for scientist?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.