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The average chihuahua dog weighs 4.4 kilograms with a standard deviation of 1.6 kilos and this variable is normally distributed. Calculate the probability of finding a randomly selected chihuahua that weighs less than 8 kilos. Show your work and your final answer for full credit.

When do you use an apostrophe?

Look back at Reading 1 to answer the following question. Which statement is NOT true according to the reading?

This type of sonnet uses three quatrains and a couplet

For 1 extra credit point: What does FANBOYS stand for?

Observe the cladogram below. Using the information provided, identify the two most distantly related species in the cladogram.  

In DNA replication, information flows from [answer1] to [answer2].  In protein synthesis, information flows from [answer3] to [answer4] to [answer5].

The first image below shows the range of variation that occurs in the peppered moth.  The second image below shows the change in the population that occurred when the tree bark in their habitat became darker.  Based on the images below, what pattern of natural selection is most likely occurring in this population.  

In eukaryotic cells, protein synthesis is a two step process.  Select all of the following answers that explain why protein synthesis must take place in two steps in eukaryotes.

The cell cycle consists of a number of distinct phases.  Identify (in the correct chronological order) the stages that make up interphase. [answer1], [answer2], [answer3]