Q: Q: What do tadpoles change into? Choices: - reptiles - toads - mud puppies - adult frogs A:
A: adult frogs

Q: Q: One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose? Choices: - radionuclides - quarks - membranes - radioisotopes A:
A: radioisotopes

Q: Q: What's the term for a piece of an organism breaking off and forming a new organism? Choices: - depletion - improvization - extinction - fragmentation A:
A: fragmentation

Q: Q: In the body, what essential substance is pumped from the heart into arteries and then eventually into capillaries? Choices: - spinal fluid - water - lymphatic Fluid - blood A:
A: blood