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The basic unit of life is 

Choose the correct order of classification from MOST inclusive to LEAST inclusive.

Which of the following domains contain the most primitive prokaryotes that live in extreme environments?  

Which of the following is not a characteristic of ALL living things?

Which of the following best describes how the process of natural selection contributes to the development of antibiotic resistant bacteria?

Which definition best describes a population?  

In an experiment, a scientist measures the amount of algae growth in water with varying pH (acidic levels).  What is the DEPENDENT variable in this experiment?

Which of the following best explains a hypothesis?

Command Verbs:  select the correct command verb. saber ( Ud form) :

“Saber” and “Conocer”:  select the correct answer to complete the following sentence: Tú no _______________ mi número de teléfono.