CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
Cell Biology 9 15.0%
1. The fundamental life processes of plants and animals depend on a
variety of chemical reactions that occur in specialized areas of the
organism’s cells. As a basis for understanding this concept:
a. Students know cells are enclosed within semipermeable membranes
1
that regulate their interaction with their surroundings.
b. Students know enzymes are proteins that catalyze biochemical
reactions without altering the reaction equilibrium and the activities of
1 or 2**
enzymes depend on the temperature, ionic conditions, and the pH of
the surroundings.
c. Students know how prokaryotic cells, eukaryotic cells (including those
from plants and animals), and viruses differ in complexity and general 1 or 2**
structure.
d. Students know the central dogma of molecular biology outlines the flow
of information from transcription of ribonucleic acid (RNA) in the 1
nucleus to translation of proteins on ribosomes in the cytoplasm.
e. Students know the role of the endoplasmic reticulum and Golgi
1
apparatus in the secretion of proteins.
f. Students know usable energy is captured from sunlight by chloroplasts
1
and is stored through the synthesis of sugar from carbon dioxide.
g. Students know the role of the mitochondria in making stored chemical-
bond energy available to cells by completing the breakdown of glucose 1
to carbon dioxide.
h. Students know most macromolecules (polysaccharides, nucleic acids,
proteins, lipids) in cells and organisms are synthesized from a small 1
collection of simple precursors.
i.* Students know how chemiosmotic gradients in the mitochondria and
NA*
chloroplast store energy for ATP production.
j.* Students know how eukaryotic cells are given shape and internal
NA*
organization by a cytoskeleton or cell wall or both.
Genetics 19 31.6%
2. Mutation and sexual reproduction lead to genetic variation in a
7
population. As a basis for understanding this concept:
a. Students know meiosis is an early step in sexual reproduction in which
the pairs of chromosomes separate and segregate randomly during
1
cell division to produce gametes containing one chromosome of each
type.
b. Students know only certain cells in a multicellular organism undergo
1
meiosis.
c. Students know how random chromosome segregation explains the
1
probability that a particular allele will be in a gamete.
* Not assessed 1
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
d. Students know new combinations of alleles may be generated in a
1
zygote through the fusion of male and female gametes (fertilization).
e. Students know why approximately half of an individual’s DNA
1
sequence comes from each parent.
f. Students know the role of chromosomes in determining an individual’s
1
sex.
g. Students know how to predict possible combinations of alleles in a
1
zygote from the genetic makeup of the parents.
3. A multicellular organism develops from a single zygote, and its
phenotype depends on its genotype, which is established at 3
fertilization. As a basis for understanding this concept:
a. Students know how to predict the probable outcome of phenotypes in a
genetic cross from the genotypes of the parents and mode of 1 or 2**
inheritance (autosomal or X-linked, dominant or recessive).
b. Students know the genetic basis for Mendel’s laws of segregation and
1 or 2**
independent assortment.
c.*Students know how to predict the probable mode of inheritance from a
NA*
pedigree diagram showing phenotypes.
d.*Students know how to use data on frequency of recombination at
meiosis to estimate genetic distances between loci and to interpret NA*
genetic maps of chromosomes.
4. Genes are a set of instructions encoded in the DNA sequence of
each organism that specify the sequence of amino acids in
5
proteins characteristic of that organism. As a basis for
understanding this concept:
a. Students know the general pathway by which ribosomes synthesize
1
proteins, using tRNAs to translate genetic information in mRNA.
b. Students know how to apply the genetic coding rules to predict the
1
sequence of amino acids from a sequence of codons in RNA.
c. Students know how mutations in the DNA sequence of a gene may or
may not affect the expression of the gene or the sequence of amino 1
acids in an encoded protein.
d. Students know specialization of cells in multicellular organisms is
usually due to different patterns of gene expression rather than to 1
differences of the genes themselves.
e. Students know proteins can differ from one another in the number and
1
sequence of amino acids.
f.* Students know why proteins having different amino acid sequences
NA*
typically have different shapes and chemical properties.
* Not assessed 2
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
5. The genetic composition of cells can be altered by incorporation
of exogenous DNA into the cells. As a basis for understanding 4
this concept:
a. Students know the general structures and functions of DNA, RNA, and
1 or 2**
protein.
b. Students know how to apply base-pairing rules to explain precise
copying of DNA during semiconservative replication and transcription 1 or 2**
of information from DNA into mRNA.
c. Students know how genetic engineering (biotechnology) is used to
1 or 2**
produce novel biomedical and agricultural products.
d.*Students know how basic DNA technology (restriction digestion by
endonucleases, gel electrophoresis, ligation, and transformation) is NA*
used to construct recombinant DNA molecules.
e.*Students know how exogenous DNA can be inserted into bacterial
cells to alter their genetic makeup and support expression of new NA*
protein products.
Ecology 7 11.7%
6. Stability in an ecosystem is a balance between competing effects.
As a basis for understanding this concept:
a. Students know biodiversity is the sum total of different kinds of
1
organisms and is affected by alterations of habitats.
b. Students know how to analyze changes in an ecosystem resulting from
changes in climate, human activity, introduction of nonnative species, 1
or changes in population size.
c. Students know how fluctuations in population size in an ecosystem are
determined by the relative rates of birth, immigration, emigration, and 1 or 2**
death.
d. Students know how water, carbon, and nitrogen cycle between abiotic
resources and organic matter in the ecosystem and how oxygen cycles 1 or 2**
through photosynthesis and respiration.
e. Students know a vital part of an ecosystem is the stability of its
1
producers and decomposers.
f. Students know at each link in a food web some energy is stored in
newly made structures but much energy is dissipated into the
1
environment as heat. This dissipation may be represented in an energy
pyramid.
g.*Students know how to distinguish between the accommodation of an
individual organism to its environment and the gradual adaptation of a NA*
lineage of organisms through genetic change.
* Not assessed 3
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
Evolution 9 15.0%
7. The frequency of an allele in a gene pool of a population depends
on many factors and may be stable or unstable over time. As a 4
basis for understanding this concept:
a. Students know why natural selection acts on the phenotype rather than
1
the genotype of an organism.
b. Students know why alleles that are lethal in a homozygous individual
1
may be carried in a heterozygote and thus maintained in a gene pool.
c. Students know new mutations are constantly being generated in a
1
gene pool.
d. Students know variation within a species increases the likelihood that
at least some members of a species will survive under changed 1
environmental conditions.
e.* Students know the conditions for Hardy-Weinberg equilibrium in a
NA*
population and why these conditions are not likely to appear in nature.
f.* Students know how to solve the Hardy-Weinberg equation to predict
the frequency of genotypes in a population, given the frequency of NA*
phenotypes.
8. Evolution is the result of genetic changes that occur in constantly
changing environments. As a basis for understanding this 5
concept:
a. Students know how natural selection determines the differential
1
survival of groups of organisms.
b. Students know a great diversity of species increases the chance that at
1
least some organisms survive major changes in the environment.
c. Students know the effects of genetic drift on the diversity of organisms
1
in a population.
d. Students know reproductive or geographic isolation affects speciation. 1
e. Students know how to analyze fossil evidence with regard to biological
1
diversity, episodic speciation, and mass extinction.
f.* Students know how to use comparative embryology, DNA or protein
sequence comparisons, and other independent sources of data to
NA*
create a branching diagram (cladogram) that shows probable
evolutionary relationships.
g.* Students know how several independent molecular clocks, calibrated
against each other and combined with evidence from the fossil record,
NA*
can help to estimate how long ago various groups of organisms
diverged evolutionarily from one another.
* Not assessed 4
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
Physiology 10 16.7%
9. As a result of the coordinated structures and functions of organ
systems, the internal environment of the human body remains
6
relatively stable (homeostatic) despite changes in the outside
environment. As a basis for understanding this concept:
a. Students know how the complementary activity of major body systems
provides cells with oxygen and nutrients and removes toxic waste 2/3***
products such as carbon dioxide.
b. Students know how the nervous system mediates communication
between different parts of the body and the body’s interactions with the 1/3***
environment.
c. Students know how feedback loops in the nervous and endocrine
1
systems regulate conditions in the body.
d. Students know the functions of the nervous system and the role of
1
neurons in transmitting electrochemical impulses.
e. Students know the roles of sensory neurons, interneurons, and motor
1/3***
neurons in sensation, thought, and response.
f.* Students know the individual functions and sites of secretion of
digestive enzymes (amylases, proteases, nucleases, lipases), stomach NA*
acid, and bile salts.
g.*Students know the homeostatic role of the kidneys in the removal of
nitrogenous wastes and the role of the liver in blood detoxification and NA*
glucose balance.
h.*Students know the cellular and molecular basis of muscle contraction,
NA*
including the roles of actin, myosin, Ca+2, and ATP.
i.* Students know how hormones (including digestive, reproductive,
osmoregulatory) provide internal feedback mechanisms for NA*
homeostasis at the cellular level and in whole organisms.
10. Organisms have a variety of mechanisms to combat disease. As
4
a basis for understanding the human immune response:
a. Students know the role of the skin in providing nonspecific defenses 1 or 2
against infection. (every three years)
b. Students know the role of antibodies in the body’s response to
1
infection.
c. Students know how vaccination protects an individual from infectious 1 or 2
diseases. (every three years)
d. Students know there are important differences between bacteria and
viruses with respect to their requirements for growth and replication,
1
the body’s primary defenses against bacterial and viral infections, and
effective treatments of these infections.
* Not assessed 5
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
e. Students know why an individual with a compromised immune system
(for example, a person with AIDS) may be unable to fight off and 1 or 2
(every three years)
survive infections by microorganisms that are usually benign.
f.* Students know the roles of phagocytes, B-lymphocytes, and T-
NA*
lymphocytes in the immune system.
Investigation and Experimentation 6 10.0%
1. Scientific progress is made by asking meaningful questions and
conducting careful investigations. As a basis for understanding
this concept and addressing the content in the other four strands,
students should develop their own questions and perform
investigations. Students will:
a. Select and use appropriate tools and technology (such as computer-
linked probes, spreadsheets, and graphing calculators) to perform
tests, collect data, analyze relationships, and display data.
b. Identify and communicate sources of unavoidable experimental error.
c. Identify possible reasons for inconsistent results, such as sources of
error or uncontrolled conditions.
d. Formulate explanations by using logic and evidence.
e. Solve scientific problems by using quadratic equations and simple
trigonometric, exponential, and logarithmic functions.
f. Distinguish between hypothesis and theory as scientific terms.
g. Recognize the usefulness and limitations of models and theories as
scientific representations of reality.
h. Read and interpret topographic and geologic maps.
i. Analyze the locations, sequences, or time intervals that are
characteristic of natural phenomena (e.g., relative ages of rocks,
locations of planets over time, and succession of species in an
ecosystem).
j. Recognize the issues of statistical variability and the need for
controlled tests.
k. Recognize the cumulative nature of scientific evidence.
l. Analyze situations and solve problems that require combining and
applying concepts from more than one area of science.
m. Investigate a science-based societal issue by researching the
literature, analyzing data, and communicating the findings. Examples
of issues include irradiation of food, cloning of animals by somatic cell
nuclear transfer, choice of energy sources, and land and water use
decisions in California.
* Not assessed 6
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
CALIFORNIA STANDARDS TEST
BIOLOGY/LIFE SCIENCE
(Blueprint adopted by the State Board of Education 10/02)
# of
CALIFORNIA CONTENT STANDARDS: BIOLOGY/LIFE SCIENCES %
Items
n. Know that when an observation does not agree with an accepted
scientific theory, the observation is sometimes mistaken or fraudulent
(e.g., the Piltdown Man fossil or unidentified flying objects) and that the
theory is sometimes wrong (e.g., Ptolemaic model of the movement of
the Sun, Moon, and planets).
TOTAL 60 100%
* Not assessed 7
** Alternate years
*** Fractional values indicate rotated standards (e.g., 1/2 = rotated every two years; 1/3 = rotated every three years)
© California Department of Education
