BIO 211 EXAM 1 STUDY GUIDE EXAM
QUESTIONS & EXACT CORRECT
ANSWERS
Characteristics of Life - correct answer ✔✔Living things:
-are organized
-need energy and materials
-maintain homeostasis
-respond to stimuli (changes in environment)
-reproduce and grow
-have adaptations
matter - correct answer ✔✔Anything that has mass and takes up space
element - correct answer ✔✔A substance that cannot be broken down into substances with
different properties
atomic number - correct answer ✔✔=number of protons
atomic mass - correct answer ✔✔=protons (which are = to electrons) + neutrons
mass number - correct answer ✔✔equal to the sum of the number of protons and neutrons in
atom's nucleus.
What 6 elements that make up 95% of body weight - correct answer ✔✔CHNOPS:
, Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur
properties of water that make it important to life - correct answer ✔✔Has high heat capacity
High heat of vaporization
good solvent
Natural selection - correct answer ✔✔survival of the fittest
Charles Darwin - correct answer ✔✔Theory of evolution
taxonomy - correct answer ✔✔The scientific study of how living things are classified
systematic's - correct answer ✔✔classifying organisms in regard to their natural relationships
cohesion - correct answer ✔✔the ability of water molecules to cling to each other due to
hydrogen bonding.
adhesion - correct answer ✔✔the ability of water molecules to cling to other polar surfaces.
pH - correct answer ✔✔the measure of Hydrogen ion concentration in a solution
QUESTIONS & EXACT CORRECT
ANSWERS
Characteristics of Life - correct answer ✔✔Living things:
-are organized
-need energy and materials
-maintain homeostasis
-respond to stimuli (changes in environment)
-reproduce and grow
-have adaptations
matter - correct answer ✔✔Anything that has mass and takes up space
element - correct answer ✔✔A substance that cannot be broken down into substances with
different properties
atomic number - correct answer ✔✔=number of protons
atomic mass - correct answer ✔✔=protons (which are = to electrons) + neutrons
mass number - correct answer ✔✔equal to the sum of the number of protons and neutrons in
atom's nucleus.
What 6 elements that make up 95% of body weight - correct answer ✔✔CHNOPS:
, Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur
properties of water that make it important to life - correct answer ✔✔Has high heat capacity
High heat of vaporization
good solvent
Natural selection - correct answer ✔✔survival of the fittest
Charles Darwin - correct answer ✔✔Theory of evolution
taxonomy - correct answer ✔✔The scientific study of how living things are classified
systematic's - correct answer ✔✔classifying organisms in regard to their natural relationships
cohesion - correct answer ✔✔the ability of water molecules to cling to each other due to
hydrogen bonding.
adhesion - correct answer ✔✔the ability of water molecules to cling to other polar surfaces.
pH - correct answer ✔✔the measure of Hydrogen ion concentration in a solution
