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BIOLOGY 102 EXAM QUESTIONS AND ANSWERS. VERIFIED 2025/2026.

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BIOLOGY 102 EXAM QUESTIONS AND ANSWERS. VERIFIED 2025/2026.

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BIOLOGY 102 EXAM QUESTIONS AND
ANSWERS. VERIFIED 2025/2026.




Structure of life - ANS Ecosystem

Community

Population

Organism

Organ System

Organ

Tissues

Cells

Molecules

Atoms



Definition of Life - ANS *acquire and use materials and energy

*Actively maintain organized complexity

*Perceive and Respond to Stimuli

*Grow

*Reproduce

*Have the capacity to evolve



1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.

, Evolution is the outcome of what natural occurances - ANS 1) Differences in DNA among a
population

2) Inheritance of these differences by their offspring

3) natural selection



Eukaryotic Cells - ANS Have a "true" membrane enclosed nucleus



Prokaryotic Cells - ANS Lack a nucleus



Autotroph - ANS Anything thing that makes its own food



Heterotroph - ANS Rely on the bodies of other organisms for food



Six elements of the scientific method - ANS observation, question, hypothesis, prediction,
experiment, conclusion



Biology - ANS Study of living things



Polysaccharides - ANS long chains of sugars, a type called cellulose is a major component of
plant cell walls. Plant cells store sugars in the form of a polysaccharide called starch. (Animals
store a polysaccharide called glycogen.) They are polymers— long chains consisting of hundreds
to thousands of linked monosaccharides.



Three types of Polysaccharides - ANS Starch, Cellulose, Glycogen



Lipids - ANS A diverse family of molecules that includes fats, phospholipids, waxes, and
steroids such as cholesterol.


2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.

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