Q: What type of physical properties of a substance do not depend on amount? Choices: - inherent - extensive - stable - intensive A:
intensive

Q: What two microorganisms have different membrane lipids? Choices: - microsporidia and bacteria - mesozoic and bacteria - algae and bacteria - archaea and bacteria A:
archaea and bacteria

Q: The epidermis of the leaf consists of a single layer of which cells? Choices: - endothermic cells - insular cells - chloroplasm - dermal cells A:
dermal cells

Q: What was the first mass extinction that occurred on earth? Choices: - late Devonian mass extinction - paleozoic mass extinction - proterozoic mass extinction - precambrian mass extinction A:
precambrian mass extinction