Bio 211 Exam 1 study guide || with Errorless Answers.
Characteristics of Life correct answers Living things:
-are organized
-need energy and materials
-maintain homeostasis
-respond to stimuli (changes in environment)
-reproduce and grow
-have adaptations
matter correct answers Anything that has mass and takes up space
element correct answers A substance that cannot be broken down into substances with different
properties
atomic number correct answers =number of protons
atomic mass correct answers =protons (which are = to electrons) + neutrons
mass number correct answers 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 answers CHNOPS:
Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
, Sulfur
properties of water that make it important to life correct answers Has high heat capacity
High heat of vaporization
good solvent
Natural selection correct answers survival of the fittest
Charles Darwin correct answers Theory of evolution
taxonomy correct answers The scientific study of how living things are classified
systematic's correct answers classifying organisms in regard to their natural relationships
cohesion correct answers the ability of water molecules to cling to each other due to hydrogen
bonding.
adhesion correct answers the ability of water molecules to cling to other polar surfaces.
pH correct answers the measure of Hydrogen ion concentration in a solution
acid correct answers substances that dissociate in water releasing hydrogen
base correct answers substances that either take up hydrogen ions (H+) or release hydroxide ions
(OH-)
buffer correct answers a chemical(s) that keeps PH with in normal limits
Characteristics of Life correct answers Living things:
-are organized
-need energy and materials
-maintain homeostasis
-respond to stimuli (changes in environment)
-reproduce and grow
-have adaptations
matter correct answers Anything that has mass and takes up space
element correct answers A substance that cannot be broken down into substances with different
properties
atomic number correct answers =number of protons
atomic mass correct answers =protons (which are = to electrons) + neutrons
mass number correct answers 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 answers CHNOPS:
Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
, Sulfur
properties of water that make it important to life correct answers Has high heat capacity
High heat of vaporization
good solvent
Natural selection correct answers survival of the fittest
Charles Darwin correct answers Theory of evolution
taxonomy correct answers The scientific study of how living things are classified
systematic's correct answers classifying organisms in regard to their natural relationships
cohesion correct answers the ability of water molecules to cling to each other due to hydrogen
bonding.
adhesion correct answers the ability of water molecules to cling to other polar surfaces.
pH correct answers the measure of Hydrogen ion concentration in a solution
acid correct answers substances that dissociate in water releasing hydrogen
base correct answers substances that either take up hydrogen ions (H+) or release hydroxide ions
(OH-)
buffer correct answers a chemical(s) that keeps PH with in normal limits
