WGU C190 INTRO TO BIOLOGY -
UNIT 1 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
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, 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. it encloses the DNA
within the cell. - ....ANSWER ...-Organelle
Sixth level. Single-celled life form. Consists of just one cell and include unicellular
organisms such as bacteria and protists. - ....ANSWER ...-Microorganism
Seventh level. Formed when similar cells work together to fulfill the same detailed
function. - ....ANSWER ...-Tissue
Eighth level. Collections of tissues that work together to carry out a common
general function. Present not only in higher level animals but also in plants. -
....ANSWER ...-Organ
Ninth level. Consists of functionally related organs. Mammals have many. -
....ANSWER ...-Organ System
Tenth Level. Individual living entities that survive and reproduce as a unit. For
example, each tree in a forest. - ....ANSWER ...-Organism
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
UNIT 1 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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, 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. it encloses the DNA
within the cell. - ....ANSWER ...-Organelle
Sixth level. Single-celled life form. Consists of just one cell and include unicellular
organisms such as bacteria and protists. - ....ANSWER ...-Microorganism
Seventh level. Formed when similar cells work together to fulfill the same detailed
function. - ....ANSWER ...-Tissue
Eighth level. Collections of tissues that work together to carry out a common
general function. Present not only in higher level animals but also in plants. -
....ANSWER ...-Organ
Ninth level. Consists of functionally related organs. Mammals have many. -
....ANSWER ...-Organ System
Tenth Level. Individual living entities that survive and reproduce as a unit. For
example, each tree in a forest. - ....ANSWER ...-Organism
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
