In multi-celullar organisms , the cell cycle produces groups of cells that perform the same function. These groups of cells form what it is called a tissue. A tissue is made up of cells that all are specialised to perform the same function. A bunch of tissues form an organ. Organs are more complex in structure and functions.
lots of different organs together form an organ system.
Like all animals the noises they make are to warn off predators, and mating call. IDk
<span>ph measures the degree a substance is an acid or a base.</span>