Final answer:
Trees is the only living thing among the given options in Biology.
Step-by-step explanation:
The subject of this question is Biology and the grade level is Middle School.
Out of the given options, trees is the only living thing. Sand, sunlight, and water are nonliving things. Sand is a material composed of tiny particles of minerals or rocks. Sunlight is a form of electromagnetic radiation emitted by the Sun. Water is a compound made up of hydrogen and oxygen.
Learn more about The distinction between living and nonliving things in Biology