We know from several studies and examples that populations differ across space. Often, these differences create a cline. In the mosquito Anopheles gambiae, there is a latitudinal cline related to two different chromosomal inversions on the left and right arms of chromosome 2 (Cheng et al. 2012). Interstingly, the Fst […]

We have seen how particular control genes (Hox and related genes) likely evolved to determine the anterior-posterior body axis and other basic morphological patterns. However, these genes can be coopted for use in other features like limb development. Related to this, feathers are controlled by Sonic Hedgehog, Shh, and Bone […]

Wiens et al. (2006) examined the rate of diversification in relation to latitude in hylid frogs. They found that the rate of diversification did not differ by latitude, but there were more diverse groups in lower latitudes than in higher latitudes. Furthermore, they conducted a regression using phylogenetic contrasts, which […]

A common popular idea in evolution is that diversity is continually increasing. The text discusses a “Paleozoic plateau”, however more recent studies (e.g., Alroy et al. 2008) suggest no clear plateau. According to Alroy et al. (2008), there has been little increase in diversity since the midCretaceous (about 100Mya) and, […]

Use the World War I Document Archive to find a speech or opinion piece from at least one leader of both the Allied and Central powers (two leaders total) explaining the reasons for their country’s entrance into WWI. Identify the documents and their author. Explain each leader’s argument as detailed in the […]

write analysis on a survey done for Covid19 impact on on oil and discuss it.

In 200 to 275 words, contrast the voyages of Hernán Cortés and Jacques Cartier to the New World. Discuss how their different countries of origin shaped the motives and expectations of their New World experience.

VR-(Virtual Reality) trained learners were up to four times more focused during training than their e-learning peers and 1.5 times more focused than their classroom peers”. PwC VR Soft Skills Training Efficacy Study, 2020, VR soft skills training study: PwC accessed Feb. 20th 2021 In a recent experiment conducted by […]

The question for the essay is : 1.     Symptoms and complaints related to normal pregnancy. Advice on reducing symptoms. These are subquestions as a framework for which they should be included into the essay  A decrease in smooth muscle tone and related symptoms: constipation, burning, varicose veins. Changes in the respiratory […]