Q: What is the outer layer of skin, consisting almost entirely of epithelial cells? Choices: - hypodermis - connective tissue - dermis - epidermis A:
epidermis

Q: Viruses need what kind of cell in order to help themselves reproduce? Choices: - round - side - double - host A:
host

Q: How many major massive extinctions have been since life began on earth? Choices: - three - four - one - five A:
five

Q: A type of what organism causes ergot, a disease that impacts crops directly and has more devastating effects on animals? Choices: - insects - bacteria - virus - fungus A:
fungus