You observe a student feeding a squirrel and wonder why the squirrels on campus appear less afraid of humans compared to squirrels in a nearby park. Which of the following is a testable hypothesis related to this question? (a-d; ½ pt each)
a. T/F squirrels on campus have learned that humans are not a threat
b. T/F the species of squirrel in the park has more sensitive hearing than the species
on campus
c. T/F squirrels in the park are startled by humans at a greater distance than those on
campus