A student conducts an experiment with a dog and a statue of a dog. The student provides a slice of bread to both the subjects every two hours. Only the dog eats the bread. Which characteristic of life is best demonstrated by this experiment?

Isotopes of the same element have differ in their

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

Which of th following best describes how genes produce traits in an organism?