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1. The figure below depicts a phylogenetic tree of ebola virus strains sampled from various outbreaks in Africa over many decades.(SL = Sierra Leon, GN = Guinea, DRC = Dem. Rep. of Congo) This figure is similar to Figure 6.18 that depicted the evolutionary relationship between mitochondria, chloroplasts, and various […]

Assignment: Watch the behavior of ONE (focal) animal for a total of ten (10) minutes. Each minute, record the behavior being displayed. Then create an ethogram to demonstrate your results. This may look like a pie chart or like a histogram. The focal animal sampling method means that you are […]

Q1. Both the endocrine and nervous system are main regulating systems of the body though the nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. Briefly explain the comparison. Q2. What is one role of disaccharides? What is one main role […]

It is a peculiarity of the cardiac circulation that there are channels that pass from coronary arterioles, from the capillary bed, and from the cardiac veins directly into the lumen of the heart. Irregular thin-walled channels of larger than capillary size, which are called “myocardial sinusoids,” also receive blood from […]