A student measuring the pH of the water in a fish tank found it to have a pH of 8. Which one of the following statements is TRUE regarding that solution?
A) The water is alkaline.
B) The water does not contain hydrogen ions.
C) The water contains equal numbers of hydrogen ions and hydroxyl ions.
D) The water is highly acidic.
E) The water is more alkaline than a solution with a pH of 10.
A
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A. developmental differences B. physiological differences C. behavioral differences D. developmental and physiological differences E. developmental, physiological and behavioral differences
The process of natural selection results in Select all that apply.
_____ Extinction. _____ Random genetic mutations. _____ Adaptation. _____ Speciation.
Define conservation biology and distinguish it from the science of ecology
What will be an ideal response?
Which of the following would not be found exclusively in the benthic environment?
a. coral reefs b. clams and oysters c. kelp d. eel grass e. nekton