Life is thought to have evolved from complex molecules formed by the interaction of smaller molecules in the oceans and atmosphere. The substance which brought these molecules together to interact is:

As part of your research project, you travel to an island to learn more about the habitats and relationships of flies, spiders, and centipedes. You and your assistant plot out five different areas on the island and count the numbers of flies, spiders, and centipedes living in each plot. Your results show the following: PlotFliesSpidersCentipedes1300254242617103147152147397805791393Based in the information provided, the best explanation for the low numbers of spiders and flies in plot 5 is:

You have been assigned to address the problem of overpopulation of species X in a nearby county. One of the members of your team suggests introducing species Y, which is a natural predator of species X, but not normally found in the area. After some discussion, you go ahead and introduce species Y. What aspects of the hierarchical organization may be affected within a period of a several years?

Turtle hatchling survivorship rate is low in many turtle species due to predation. Amanda researched the predatory rate on a species of turtle eggs in the Red River. The eggs were harvested from trapped turtles and the egg’s cloaca film (reproductive discharge) was either washed off or left on once gathered. Research suggests that predators use the female’s cloaca scent to locate the eggs. The eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. The nests were monitored by cameras and manually on foot and data on nest predation were recorded.Based on the experimental design, what is the independent variable?

The reaction () is an example of a redox reaction. In reality, two half reactions are occurring. The half reaction () is a(n):

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Find given that Use the math editor (“Insert Math Equation” as needed on the toolbar) to enter your final answer. Show all work on your paper.

Find the second derivative of . Use the math editor (“Insert Math Equation” as needed on the toolbar) to enter your final answer. Show all work on your paper.

Find the derivative of the function and simplify. Use the math editor (“Insert Math Equation” as needed on the toolbar) to enter your final answer. Show all work on your paper. This is worth up to 4 bonus points.