Answer the following questions in complete sentences: 1. Recently, researchers have demonstrated that the bacteria that causes Lyme disease alter dendritic cells. How do T-cells work to protect us from pathogens like the one that causes Lyme disease?

2. Why do you think it is beneficial for a pathogen to make its host very sick without killing the host?

3. If these patients were treated with antibiotics, what clue would this have given doctors about the disease’s pathogen?

4. It is a common misconception that the immune system cannot combat pathogens it has encountered before. Explain why that statement is not true.

5. Using your knowledge of non-specific defenses, how could someone prevent Lyme disease in the first place?

Simulating adaptations in a species in this activity, you will discuss in detail the adaptations in a species of rain forest plants. you will build a simulation that explains the changes in the traits of the plant population over 10 years. you will also establish a scientific explanation to justify the changes in the traits of the population, * time to complete: 1-2 hours part a an organism's adaptations are specific to its native environment. an organism that lives in a coniferous forest will have different adaptations compared to an animal that lives in a tropical rain forest. the following graphs show the temperature and precipitation throughout the year for two different forests: a coniferous forest in canada, and a tropical rain forest in belize. evaluate the graphs, and then explain why plants from these two ecosystems will have different adaptations. in your answer, explain the survival challenges that plants face in these two environments.

When analyzing tree rings, what do scientists assume a thin ring indicates?

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.