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The arachnids that have only six legs as larvae are:

Our modern system of nomenclature was first proposed by:

The outer part of which layer of the exoskeleton is progressively hardened to add to the thickness of the exocuticle?

Which of the following characteristics do humans share with arthropods?

The tracheal tubes that permeate the insect body are most essential to which function:

An ecological survey samples a number of deer in a park, and counts the number of ticks found on each deer.  The results are summarized in this boxplot: Are there any outliers?

The following list shows the number of points per game scored by a team during a season:14         17           10           21           10           19           3             55           7             14           19 Find the mean.

The human eye has an Abbe value of 

A stemplot showing the average ages of government employees in a division is given below:2|73|1 3 3 6 8 94|0 1 75|3 7 6|1 4 47|3 78|4 Find the mean.

An ecological survey samples a number of deer in a park, and counts the number of ticks found on each deer.  The results are summarized in this boxplot: Will the data be skewed left, skewed right, or approximately symmetric?