What is everything surrounding an organism being studied called

The correct answer is environment.

Explanation:

Every living thing, or organism, thrives in an environment. The environment of an organism comprises everything that surrounds it. Water, air, soil, and sunlight are all the constituents of the environment. The environment offers each and every organism with each and everything that it requires to survive.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.