Radiation is the only way of transferring energy that doesn't require matter. Radiation is the transfer of energy by waves. These waves can travel through empty space. Open systems can exchange both matter and energy with their surroundings, closed systems can exchange energy but not matter with their surroundings, and isolated systems can exchange neither matter nor energy with their surroundings.

Dr Rana Hamza Shakil thank you for your contribution to the discussion

When an organism is eaten, the matter and energy stored in its tissues are transferred to the organism that eats it. The arrows in a food web represent this transfer. Waves can transfer energy over distance without moving matter the entire distance. For example, an ocean wave can travel many kilometers without the water itself moving many kilometers. The water moves up and down—a motion known as a disturbance. It is the disturbance that travels in a wave, transferring energy. Waves transfer energy but not matter. The particles take part in the propagation of wave by transferring the disturbance from one particle to another. Hence, the energy is transferred, but the position of the particles remains unchanged over time. Radiation is the transfer of heat by electromagnetic waves and in addition to the sun, light bulbs, irons, and toasters also transfer heat via radiation. Note that, unlike conduction or convection, heat transfer by radiation does not need any matter to help with the transfer. Isolated system in an Isolated system, there is no mass and energy interaction across the system boundary i.e. Interaction between the system and the surroundings is absent. Therefore, mass and the energy of the isolated system are fixed e.g. Universe. An isolated system is a system that does not have a net external force and does not exchange matter or energy with its surroundings. A closed system, on the other hand, is a system that exchanges energy with its surroundings. Because of this, energy exchanged in a closed system has a net external force acting on it. In physics and chemistry, the law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so the quantity can neither be added nor be removed. An isolated system obeys the conservation law that its total energy–mass stays constant. Most often, in thermodynamics, mass and energy are treated as separately conserved. A system which exchanges both matter & energy with the surrounding is a closed system. In all cases, the amount of heat lost by a system is equal to the amount of heat gained by its surroundings and vice versa. That is, the total energy of a system plus its surroundings is constant, which must be true if energy is conserved.