1. During the entire Paleozoic, the western margin of North America could be described as being tectonically active or passive?   2. During the Paleozoic, cratons were covered with large bodies of water called __________ __________.   3. The supercontinent that formed near the end of the Paleozoic from an assembling of all the continents […]

1. What is the evolutionary significance of the amniotic egg?  Half a page should be sufficient to address this question, but no more than one double-spaced, page using 12-point font. Remember to include APA formatted references for all sources used. You will lose three points if you do not include reference(s) and one point if […]

1) What does the term “ecology” mean in a scientific context?   2) Explain the differences between food pyramids and food webs.   3) What are the roles of ATP and glucose in processing energy within organisms?   4) Explain what is meant by the “10% rule” in moving through trophic levels.   Choose one […]

Draw an accurate diagram where maximum compressive stress is vertical and a fracture dips 60 degrees. show on the diagram how normal and shear forces a long that place are oriented. Derive the equations for calcuhe forces if the maximum force was known.

Watch the video, “Your Inner Reptile” which you can find at this link: https://www.hhmi.org/biointeractive/episode-2-your-inner-reptileLinks to an external site.. Write a one page summary of the video to include the following: General summary of the overall video. Explain what is meant by the phrase, “Your Inner Reptile”. How this video relates to the Mesozoic Era of […]

An Ecological Land Classification (ELC) is a mapping tool that identifies and describes areas of similar enduring physical attributes. It is based on features such as climate, elevation, topography, bedrock formation, and vegetation. Within the classification information is presented and mapped within a hierarchy where broad to specific levels of detail are presented on a […]

1. Mendel observed that pea plants had traits, such as color, that were either “one or the other,” never something in between. In your own words, discuss the correlation between Mendel’s factors, what they might be, and why pea plant traits come in one form or another—e.g., gray or dark red—rather than blended.   Your […]

Review the video about the “phytoplankton that brought Earth to life” found at: https://youtu.be/m_43nR11PW8. In this clip, Penny Chisholm discusses a tiny phytoplankton called Prochlorococcus. Based on that video, address the following:   In the video, Dr. Chisholm tells us that Prochlorococcus samples from different environments that are genetically different. Discuss what this tells us […]

Biology and Behavior Role in Bone Development Discussion The news media and popular magazines frequently report stories that are connected to biology. During this week, find a current event news story related to biology using one of the following sources; the Internet, TV news and documentaries, magazines, and radio. Don’t forget to cite the sources […]

In the mid-1950s, the first study linking cigarette smoking to lung cancer was published. In the decades that followed, many other studies supported this finding and a host of other health-related effects attributed to smoking were uncovered.   Over the last few decades, cities and states have created local regulations prohibiting smoking in certain public […]