I need help which one is it ?

a

Explanation:

Your answer is D). If you've played Minecraft, you've probably noticed the differences in the biomes; such as the types of animals that live there, whether it snows or rains, and the perceived temperature, while sunlight is a determining factor in real life as well, it is not in the case of a computer game.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.