choose one! What action destroys topsoil 1)mowing land 2)adding nutrients to soil 3)plowing land without replantation 4)sowing seeds in land

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior