Q: Q: The nail bed is a specialized structure of the epidermis that is found at the tips of our what? Choices: - fingers, nails, and scalp - only nails - only fingers - fingers and toes A:
A: fingers and toes

Q: Q: Under a microscope, salt crystals are what shape? Choices: - triangles - circles - squares - cubes A:
A: cubes

Q: Q: A statement is considered what if it is open to being falsified? Choices: - valid - premature - untrue - hypothesis A:
A: hypothesis

Q: Q: Females of what mammalian group have mammary glands but lack nipples? Choices: - prosauropod - Eutheria - Metatheria - monotreme A:
A: monotreme