Energy changes forms from heat, to kenetic, to potential energy. However, the total energy is the atmosphere is conserved, meaning energy can only change forms, but cannot be produced.
Mutation can cause instant adaptation while natural selection is the process by which adaptation occurs over a series of generations.
Kingdom, phylum, class, order, family, genus, and species is the classification chart levels in order from most broad to least.
Answer: The main organ of the integumentary system is the skin.
Explanation: The skin regulates body temperature, keeps germs from entering your body, and produces vitamin D to help absorb calcium.
