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WGU C190 INTRO TO BIOLOGY EXAM 2025 QUESTIONS AND ANSWERS Non-living, may be within or made by a living organism. - ....ANSWER ...-Abiotic Living. Matter is considered ______ if it was ever alive at some point in time ....ANSWER ...-Biotic Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. ....ANSWER ...-Atom Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. - ....ANSWER ...-Molecule Third level. Biologically important molecules that are technically polymers. Example: DNA. ....ANSWER ...-Macromolecule Fourth level. The fundamental unit of life. Essentially a tiny droplet of water and other molecules enclosed by a fluid "skin" or membrane. The smallest and simplest entity that possesses all the characteristics of life. - ....ANSWER ...-Cell Fifth level. Compartments inside the cell that contain specific groups of macromolecules and carry out specific cellular functions. One of these organelles is the nucleus; it encloses the DNA within the cell. - ....ANSWER ...-Organelle ...COPYRIGHT ©️ 2025, ALL RIGHTS RESERVED..... 100% PASS RATE 1