Bio 111 test #1 Exam 2026 Questions and
Answers
What are the distinguishing characteristics of living things? - Correct answer-All
life shares five characteristics.
#1 Biological levels of organization
-Protons,neutrons,electrons form atoms
-Atoms combine to make molecules
-Molecules make up parts of cells
-Cells create tissues (if multicellular)
- Tissues together make organs
- Organs and organ sytems make up organisms (unless unicellular)
List the levels of life's organizational hierarchy from smallest to largest(Biological
levels of Organization) - Correct answer-Atom
Molecule
Organelle
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, Cell
Tissue
Organ
Organ system
Oganism
Popuation
Community
Ecosystem
Biosphere
How can natural selection and mutation play a role in evolution? - Correct answer-
Natural Selection = those individuals with the greatest fitness (fitness=
reproductive and survival success)
What are the distinguishing characteristics of the 3 domains of life? - Correct
answer-Domain bacteria. No nuclei
Domain Archea-No nuclei
Domain Eukarya-Have cells with nucleus
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Answers
What are the distinguishing characteristics of living things? - Correct answer-All
life shares five characteristics.
#1 Biological levels of organization
-Protons,neutrons,electrons form atoms
-Atoms combine to make molecules
-Molecules make up parts of cells
-Cells create tissues (if multicellular)
- Tissues together make organs
- Organs and organ sytems make up organisms (unless unicellular)
List the levels of life's organizational hierarchy from smallest to largest(Biological
levels of Organization) - Correct answer-Atom
Molecule
Organelle
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Cell
Tissue
Organ
Organ system
Oganism
Popuation
Community
Ecosystem
Biosphere
How can natural selection and mutation play a role in evolution? - Correct answer-
Natural Selection = those individuals with the greatest fitness (fitness=
reproductive and survival success)
What are the distinguishing characteristics of the 3 domains of life? - Correct
answer-Domain bacteria. No nuclei
Domain Archea-No nuclei
Domain Eukarya-Have cells with nucleus
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2