Q: Both endotherms and ectotherms control what through behavioral responses to changes in the environment? Choices: - sleep cycles - hormones - gas temperature - body temperature A:
body temperature

(Question)
Q: Drilling wells into hot rocks to release hot water or steam is an example of what kind of power plant? Choices: - hydroelectric - solar - fossil fuel - geothermal A:
(Answer)
geothermal

Ques: Q: The point in the titration at which an indicator changes color is called what? Choices: - zeta point - tipping point - chromatic point - end point A:
Ans: end point

(Q).
Q: What is the most widely accepted theory explaining how muscle fibers contract? Choices: - sliding pigment theoery - sliding tritium theory - sliding carbon theory - sliding filament theory A:
(A).
sliding filament theory

Ques:Q: Aging occurs as cells lose their ability to do what? Choices: - fold - split - duplicate - divide A:

Ans:divide

Ques: Q: What is the name for the energy required for an electron to be added to a neutral atom in its gaseous form? Choices: - mass affinity - neutron affinity - photon affinity - electron affinity A:
Ans:
electron affinity