Biology 121 EXAM 1 Chapters 1-3
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Evolution - CORRECT ANSWER - Descent with modification: genetic change in a
population or species over generations: the heritable changes that have produced Earth's diversity
of organisms. Changes in DNA through time.
Biology - CORRECT ANSWER - The scientific study of life
List the 7 Properties of life that ALL living organisms share - CORRECT ANSWER - 1.
Reproduction
2. Growth and Development
3. Energy Use
4. Order
5. Cells
6. Response to the Environment
7. Evolution
The levels of the biological organizations - CORRECT ANSWER - 1. Biosphere
2. Ecosystem
3. Community
4. Population
5. Organism
6. Organ System and Organ
7. Tissue
8. Cell
9. Organelle
10. Molecule
, Biosphere - CORRECT ANSWER - The global ecosystem: the entire portion of Earth
inhabited by life; all of life and where it lives at
Ecosystem - CORRECT ANSWER - All the organisms in a give area, along with the
nonliving (abiotic) factors with which they interact: a biological community and its physical
environment
Community - CORRECT ANSWER - All the organisms inhabiting and potentially interacting
in a particular area; an assemblage of populations of different species
Population - CORRECT ANSWER - A group of interacting individuals belonging to one
species and living in the same geographic area at the same time.
Organisms - CORRECT ANSWER - An individual living thing, such as a bacterium, fungus,
protist, plant or animal.
Organ systems - CORRECT ANSWER - A group of organs that work together in performing
vital body functions
Organ - CORRECT ANSWER - A structure consisting of two or more tissues that coordinate
to perform specific functions
Tissue - CORRECT ANSWER - An integrated group of similar cells that performs a specific
function within a multicellular organism
Cell - CORRECT ANSWER - A basic unit of living matter separated from its environment by
a plasma membrane; the fundamental structural unit of life
Organelle - CORRECT ANSWER - A membrane-enclosed structure with a specialized
function within a eukaryotic cell
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Evolution - CORRECT ANSWER - Descent with modification: genetic change in a
population or species over generations: the heritable changes that have produced Earth's diversity
of organisms. Changes in DNA through time.
Biology - CORRECT ANSWER - The scientific study of life
List the 7 Properties of life that ALL living organisms share - CORRECT ANSWER - 1.
Reproduction
2. Growth and Development
3. Energy Use
4. Order
5. Cells
6. Response to the Environment
7. Evolution
The levels of the biological organizations - CORRECT ANSWER - 1. Biosphere
2. Ecosystem
3. Community
4. Population
5. Organism
6. Organ System and Organ
7. Tissue
8. Cell
9. Organelle
10. Molecule
, Biosphere - CORRECT ANSWER - The global ecosystem: the entire portion of Earth
inhabited by life; all of life and where it lives at
Ecosystem - CORRECT ANSWER - All the organisms in a give area, along with the
nonliving (abiotic) factors with which they interact: a biological community and its physical
environment
Community - CORRECT ANSWER - All the organisms inhabiting and potentially interacting
in a particular area; an assemblage of populations of different species
Population - CORRECT ANSWER - A group of interacting individuals belonging to one
species and living in the same geographic area at the same time.
Organisms - CORRECT ANSWER - An individual living thing, such as a bacterium, fungus,
protist, plant or animal.
Organ systems - CORRECT ANSWER - A group of organs that work together in performing
vital body functions
Organ - CORRECT ANSWER - A structure consisting of two or more tissues that coordinate
to perform specific functions
Tissue - CORRECT ANSWER - An integrated group of similar cells that performs a specific
function within a multicellular organism
Cell - CORRECT ANSWER - A basic unit of living matter separated from its environment by
a plasma membrane; the fundamental structural unit of life
Organelle - CORRECT ANSWER - A membrane-enclosed structure with a specialized
function within a eukaryotic cell
