The previous statement is true because if a substance cannot get into a cell membrane it is assisted via protein channels however if it doesn't need the protein channels then it just flows through the membrane.
They Are probably more nocturnal <span />
Hair, skin, glands, nerves, and nails. And also it’s main function is to act as a barrier to protect the body from the outside world.
Environmental and genetic factors can influence the growth of many organisms on earth such as plants, animals, and even fish. When the climate changes, many animals/organisms adapt by adaptation and evolution. Every organism can evolve in order to stay alive in this race of competition for survival. This is a natural accordance that happens every day in our world. Thus making organisms stay alive for longer periods of time.