COMPREHENSIVE BIOLOGY REVIEW 2025-
2026: CELLS, GENETICS, ECOLOGY,
EVOLUTION, AND IMMUNOLOGY
QUESTIONS & ANSWERS
Which of the following is NOT one of the
characteristics used to define living things?
Regulation, Adaptation, Independent thought, Order
- CORRECT ANSWERS-Independent thought
What type of cells can be found in organisms
containing one single cell? - CORRECT ANSWERS-
What is the correct order of the levels of
organization of living things? - CORRECT
ANSWERS-Atom, molecule, organelle, cell, tissue,
organ, organ system, organism, population,
community, ecosystem, biosphere
,What is the smallest level of organization of living
things at which something can be considered
"alive"? - CORRECT ANSWERS-cell
You have decided to study the way in which fish
interact with dirt and rocks in a particular pond. What
are you studying? - CORRECT ANSWERS-
ecosystem
When performing an experiment using the scientific
method, which of the following should you do first?
form a hypothesis, draw conclusions, make a
prediction, ask a question? - CORRECT ANSWERS-
ask a question
After learning about the scientific method, you
decide to perform an experiment on your brother's
pet hamster. When planning your experiment, what
is important to remember? - CORRECT ANSWERS-
you must have a testable hypothesis
Which part of the atom carries a positive charge and
has a mass of 0? - CORRECT ANSWERS-None
What can you learn from the atomic number of an
element? - CORRECT ANSWERS-number of
protons
, Isotopes are different forms of the same element
that differ in what way? - CORRECT ANSWERS-
different number of neutrons
What are the 6 most abundant elements in living
organisms? - CORRECT ANSWERS-carbon,
hydrogen, phosphorus, nitrogen, oxygen, sulfur
What type of chemical bond occurs when two or
more atoms share electrons? - CORRECT
ANSWERS-covalent bond
What is the main function of the carbohydrates in
living organisms? - CORRECT ANSWERS-provide
energy
What is the simplest form of carbohydrates? -
CORRECT ANSWERS-monosaccharides
The main difference between saturated and
unsaturated fats, on a molecular level, is the amount
of ____ attached to carbon molecules - CORRECT
ANSWERS-hydrogen
(T/F) Unsaturated fat molecules do not stack
together as tightly as saturated fat molecules -
CORRECT ANSWERS-true
2026: CELLS, GENETICS, ECOLOGY,
EVOLUTION, AND IMMUNOLOGY
QUESTIONS & ANSWERS
Which of the following is NOT one of the
characteristics used to define living things?
Regulation, Adaptation, Independent thought, Order
- CORRECT ANSWERS-Independent thought
What type of cells can be found in organisms
containing one single cell? - CORRECT ANSWERS-
What is the correct order of the levels of
organization of living things? - CORRECT
ANSWERS-Atom, molecule, organelle, cell, tissue,
organ, organ system, organism, population,
community, ecosystem, biosphere
,What is the smallest level of organization of living
things at which something can be considered
"alive"? - CORRECT ANSWERS-cell
You have decided to study the way in which fish
interact with dirt and rocks in a particular pond. What
are you studying? - CORRECT ANSWERS-
ecosystem
When performing an experiment using the scientific
method, which of the following should you do first?
form a hypothesis, draw conclusions, make a
prediction, ask a question? - CORRECT ANSWERS-
ask a question
After learning about the scientific method, you
decide to perform an experiment on your brother's
pet hamster. When planning your experiment, what
is important to remember? - CORRECT ANSWERS-
you must have a testable hypothesis
Which part of the atom carries a positive charge and
has a mass of 0? - CORRECT ANSWERS-None
What can you learn from the atomic number of an
element? - CORRECT ANSWERS-number of
protons
, Isotopes are different forms of the same element
that differ in what way? - CORRECT ANSWERS-
different number of neutrons
What are the 6 most abundant elements in living
organisms? - CORRECT ANSWERS-carbon,
hydrogen, phosphorus, nitrogen, oxygen, sulfur
What type of chemical bond occurs when two or
more atoms share electrons? - CORRECT
ANSWERS-covalent bond
What is the main function of the carbohydrates in
living organisms? - CORRECT ANSWERS-provide
energy
What is the simplest form of carbohydrates? -
CORRECT ANSWERS-monosaccharides
The main difference between saturated and
unsaturated fats, on a molecular level, is the amount
of ____ attached to carbon molecules - CORRECT
ANSWERS-hydrogen
(T/F) Unsaturated fat molecules do not stack
together as tightly as saturated fat molecules -
CORRECT ANSWERS-true
