Write a documented (at least 5 references) research paper of 1-2 pages on the pros and cons of hormone replacement therapy (hrt)

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

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?