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Why are life history variables, such as number of offspring,…

Why are life history variables, such as number of offspring, size of offspring, and degree of parental care,  often correlated?

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Assume a project has earnings before depreciation and taxes…

Assume a project has earnings before depreciation and taxes of $15,000, depreciation of $25,000, and that the firm has a 30% tax bracket. What are the after-tax cash flows for the project?

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Botryococcus braunii is a microalgae species of great import…

Botryococcus braunii is a microalgae species of great importance for making algal biofuels, because the cells accumulate lipids internally.  These lipids can be extracted (containing < 1% FFA) and converted to biodiesel using the transesterification process.  Consider the cultivation of this microalgae in large open ponds.   Outline and explain the series of processing steps that you might implement to produce ASTM standard biodiesel from the pond water containing this microalga.

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Which social interaction is best described as the opposite o…

Which social interaction is best described as the opposite of altruism in terms of its effect on donor and recipient fitness?

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Huffaker’s laboratory experiment of predator and prey specie…

Huffaker’s laboratory experiment of predator and prey species of mites demonstrated that predator and prey cycles

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Salmon reproduce when many males and females release large q…

Salmon reproduce when many males and females release large quantities of their gametes into a stream. This process, spawning, is a type of

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Lotka-Volterra models of predator-prey interactions show tha…

Lotka-Volterra models of predator-prey interactions show that

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Mixture of straight vegetable oil (SVO) and methanol can als…

Mixture of straight vegetable oil (SVO) and methanol can also be combusted in a diesel engine.  Explain what is preventing this mixture from being used in diesel engines. 

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In a study to determine whether the invasive plant species L…

In a study to determine whether the invasive plant species Lonicera sp1 was successful due to enemy release, researchers found that when herbivores were excluded, the native plant (Lonicera sp2) grew more than the invasive Lonicera. From this study we can conclude that:

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The following chart depicts the individual gain in resources…

The following chart depicts the individual gain in resources each organism gets when moving to one patch, either a high quality or a low quality, depending on the order they colonize it.  #Individuals High Quality Benefit Low Quality Benefit  1 11 6.9 2 9 5.2 3 7 3.5 4 5 3.2 5 3 2.9 6 1 2.6 How many organisms would move to the high quality patch before any organism moves to the low quality patch if the ideal free distribution is met? [total] There are 10 individuals in the population, how many would there be in the high quality patch and how many would there be in the low quality patch respectively if the ideal free distribution is met? High quality: [if10high] Low quality [if10low]

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