In ‘The Number of Parties’ article, Duverger argues that electoral systems have an impact on the effective number of parties and finds that the simple-majority single-ballot systems (SMDs) favor two-party systems.

Which type of bacteria needs oxygen for survival?

If a patient is given too much oxycontin, which of the following drugs can be used to reverse the effect?

Which type of tapeworm was featured as a virtual specimen?

Disease states that could benefit from the use of adrenergic bronchodilators include which of the following? I. asthmaII. bronchitisIII. emphysemaIV. bronchiectasisV. pleural effusion

The small particle aerosol generator (SPAG) is used specifically to nebulize:

Dante was interested in determining if there was a difference in time for a reply from customer service from three car insurance companies (Progressive-PO, State Farm-S, and Prudential-PR).  He randomly selected three customers from each of the companies who had recently tried to contact an agent and asked how much time they waited for a callback. Assume that all assumptions are met. Conduct a one-way ANOVA test at alpha equal to 0.05 and if appropriate conduct Tukey’s Simultaneous Intervals with a familywise error rate of 0.05. Company Response Time PR 20 PR 15 PR 5 S 14 S 20 S 12 PO 14 PO 12 PO 12   What is the appropriate conclusion from these analyses?

An apple tree is:    

The skull of three specimens are compared using cladistic analysis. A clade is formed based on the following derived characteristics -Large, forward-facing eyes  -2:1:2:3 dentition   Which specimen is not a member of the clade? 

Which of the following specimens has homodont dentition?