Praxis Science 5905 Study Guide, Most Recent Exam 2026 ACTUAL
COMPREHENSIVE MOST TESTED QUESTIONS AND VERIFIED SOLUTIONS
( 100% CORRECT ANSWERS) ALREADY GRADED A+ | NEWEST EXAM |
JUST RELEASED!!
__________________: Extra nucleotide pairs are
inserted into DNA -
ANSWER-
Insertion
______________________: Removal of nucleotide pairs from
DNA - ANSWER-
Deletion
____________________: when insertion or deletion of
nucleotides causes the
gen to be misread - ANSWER-
Frameshift
_____________________: shows all genetic combos from
parents with given
genotypes - ANSWER-Punnett
Square
,When a genetic code is damaged its called a
________________________ -
ANSWER-Genetic
Disorder
________________________: causes difficulty in bodily
functions. Damaged
gene CFTR - ANSWER-Cystic
Fibrosis
_______________________: causes developmental delays; one
person has
three copies of chromosome 21 (they received 2 copies from
one parent in meiosis) - ANSWER-Down Syndrome
_____________________: when beneficial mutations help
an organism
reproduce, traits appear more often - ANSWER-
Natural Selection
_______________________: results from natural selection;
developed by Charles Darwin when he realized finches had
different beak shapes/ sizes that help them eat, allowing birds
to coexist - ANSWER-Evolution
Population is divided by geological features into 2
isolated populations -
,ANSWER-
Allopatric
When small subpopulations form and become genetically
isolated from main
populations - ANSWER-
Peripatric
Two species that are partially isolated by geography develop
characteristics that
make them reproductively incompatible -
ANSWER-Parapatric
2 different species from one population occupy one
location - ANSWER-
Sympatric
Animal body part that is responsible for removing Nitrogen -
ANSWER-Liver
smallest yet most fundamental level of taxonomic
classification - ANSWER-
Species
Highest level of taxonomic classification - ANSWER-Kingdom
Bacteria (unicellular organisms with no nucleus)
(reproduce asexually by
, cellular division) - ANSWER-
Monera
Unicellular organisms that have a nucleus (reproduce
asexually by cellular
division) - ANSWER-
Protists
Ex: mushrooms and mold; unicellular and multicellular;
have cell walls; can
reproduce asexually or sexually through spores -
ANSWER-Fungi
Use energy from sunlight to make food (sugar glucose) through
photosynthesis
- ANSWER-
Plants
Largest of the kingdoms; multicellular organisms; can move
around and eat other organisms for energy; includes
vertebrates and invertebrates – ANSWER-Anamalia
Receive their body heat from the environment and are cold
blooded (frogs) -
ANSWER-
Ectotherms
COMPREHENSIVE MOST TESTED QUESTIONS AND VERIFIED SOLUTIONS
( 100% CORRECT ANSWERS) ALREADY GRADED A+ | NEWEST EXAM |
JUST RELEASED!!
__________________: Extra nucleotide pairs are
inserted into DNA -
ANSWER-
Insertion
______________________: Removal of nucleotide pairs from
DNA - ANSWER-
Deletion
____________________: when insertion or deletion of
nucleotides causes the
gen to be misread - ANSWER-
Frameshift
_____________________: shows all genetic combos from
parents with given
genotypes - ANSWER-Punnett
Square
,When a genetic code is damaged its called a
________________________ -
ANSWER-Genetic
Disorder
________________________: causes difficulty in bodily
functions. Damaged
gene CFTR - ANSWER-Cystic
Fibrosis
_______________________: causes developmental delays; one
person has
three copies of chromosome 21 (they received 2 copies from
one parent in meiosis) - ANSWER-Down Syndrome
_____________________: when beneficial mutations help
an organism
reproduce, traits appear more often - ANSWER-
Natural Selection
_______________________: results from natural selection;
developed by Charles Darwin when he realized finches had
different beak shapes/ sizes that help them eat, allowing birds
to coexist - ANSWER-Evolution
Population is divided by geological features into 2
isolated populations -
,ANSWER-
Allopatric
When small subpopulations form and become genetically
isolated from main
populations - ANSWER-
Peripatric
Two species that are partially isolated by geography develop
characteristics that
make them reproductively incompatible -
ANSWER-Parapatric
2 different species from one population occupy one
location - ANSWER-
Sympatric
Animal body part that is responsible for removing Nitrogen -
ANSWER-Liver
smallest yet most fundamental level of taxonomic
classification - ANSWER-
Species
Highest level of taxonomic classification - ANSWER-Kingdom
Bacteria (unicellular organisms with no nucleus)
(reproduce asexually by
, cellular division) - ANSWER-
Monera
Unicellular organisms that have a nucleus (reproduce
asexually by cellular
division) - ANSWER-
Protists
Ex: mushrooms and mold; unicellular and multicellular;
have cell walls; can
reproduce asexually or sexually through spores -
ANSWER-Fungi
Use energy from sunlight to make food (sugar glucose) through
photosynthesis
- ANSWER-
Plants
Largest of the kingdoms; multicellular organisms; can move
around and eat other organisms for energy; includes
vertebrates and invertebrates – ANSWER-Anamalia
Receive their body heat from the environment and are cold
blooded (frogs) -
ANSWER-
Ectotherms
