Q: What term is used to describe large numbers of species that go extinct in a short amount of time? Choices: - formation extinction - organic extinction - species extinction - mass extinction A:
mass extinction

Q: Types of radiation that cause cancer include ultraviolet (uv) radiation and what? Choices: - thermal - molecular - vibrational - radon A:
radon

Q: What type of plants supplement their mineral nutrition by digesting animals? Choices: - perennials - annuals - herbivorous - carnivorous A:
carnivorous