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.
The horsehoe crab because it was one of the first animals to ever live on earth
It would be similar to bass dna since trout is another kind of fish like bass. They come from the same family group so it would be more similar to it.
Answer:
Acid is a kind of chemical compound that when dissolved in water gives a solution with H+ ion activity more than purified water. A base is an aqueous substance that donates electrons, accept protons or release hydroxide (OH-) ions. An acid is a proton donor. While a base is a proton acceptor.
The study of statistics. Like the increase or decrease of things. For example birth rates or the size of the human population.
I hope this helps :)
