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WGU - C190 Biology - Intro to Biology Exam Questions and Complete Solutions Graded A+.
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WGU - C190 Biology - Intro to Biology Exam Questions and Complete Solutions Graded A+.
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WGU - C190 Biology - Intro to BiologyExam Questions and Complete
Solutions Graded A+
The scientific study of life. Biology is a vast subject divided into many branches or subdivisions
representing areas of specialization. Branches of biology include anatomy, biochemistry, ecology,
evolution, genetics, immunology, and physiology. - Answer: Biology
The smallest fundamental unit of structure and function in life. Cells are fluid-filled spaces bound by a
membrane. When first formed, all cells include DNA and other macromolecules and are organized to
grow, reproduce, and respond to changes in the external environment. - Answer: cell
An adjective that describes living organisms or their remains. Common characteristics of biotic (living)
things are that they use energy and raw materials to grow, sense, and respond to changing
environments; they reproduce; and they consist of one or more cells. - Answer: biotic
An adjective that describes nonliving materials in the environment, such as sunlight, rain, gases in the
air, rocks, and chemicals in the soil. - Answer: abiotic: Although water is a substance that is required by
all biotic organisms, water itself is abiotic since it does not meet any of the conditions outlined above.
The basic unit of matter that cannot be further broken down without losing its unique properties. One
atom consists of a dense nucleus surrounded by a cloud of electrons. - Answer: atom
Two or more atoms held together by a chemical bond. - Answer: molecule
The smallest fundamental unit of structure and function in life. Cells are fluid-filled spaces bound by a
membrane. When first formed, all cells include DNA and other macromolecules and are organized to
grow, reproduce, and respond to changes in the external environment. - Answer: cell
Organelles are specialized structures within a cell, formed when a specific set of molecules bond,
creating a subunit that has a specific function. Some organelles are membrane bound. Others, such as
flagella and ribosomes, are not. - Answer: organelles
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