CHS 20067/08 STUMPTOWN ACADEMY BIOLOGY: ESSENTIAL QUESTIONS
UNIT PPS STANDARD ESSENTIAL QUESTIONS HOLT BIOLOGY 2008
(BOLD ARE PPS)
CELLS 1. THE PHYSIOLOGY OF CELLS How do cells carry out basic life functions? Ch. 7, sections 1-3
1st Quarter Describe how cells carry out basic life functions including How does a cell replicate itself to create new cells? Ch. 8, sections 1-3
reproduction. What makes a cell the basic unit of life? Ch. 9, sections 1-3
What is the difference between a prokaryotic and eukaryotic cell? Ch. 10, sections 1
1a. Students will be able to describe and compare the What is the difference between a plant and animal cell? Ch. 11, sections 1-3
functions and structures of plant and animal cells. What are the different cell organelles and their function?
How does a cell maintain a specific inside while taking in needed
1b. Students will be able to describe and explain the substances?
process of cell division. How does one cell become the basis for a multi-cellular organism?
GENETICS 2. THE MECHANISM OF IN- What patterns do various gene combinations produce in the next Ch. 12, sections 1-4
2nd Quarter HERITED TRAITS generation? Ch. 13, sections 1-3
Predict how traits are inherited and explain the role of On a molecular basis why is DNA the key to life?
chromosomes, genes and DNA in heredity. What makes us different from each other while retaining all traits
that make us human?
2a. Students will be able to predict the heredity of traits in What is the molecular basis for genetic information?
populations using the Mendelian model of heredity. How are gametes formed?
How is genetic information passed on through generations?
2b. Students will be able to explain the molecular basis of
heredity at the level of chromosomes, DNA and individual
2c. Students will be able to analyze various points of view to
make informed decisions and evaluate the impacts of
EVOLUTION 4. CURRENT EVOLUTIONARY How do the different scientific theories of evolution explain the Ch. 16, sections 1-3
3rd Quarter THEORY diversity of life on Earth? Ch. 18, sections 1-3
Explain how the different scientific hypothesis of evolution How do populations change over time? Ch. 19, sections 1-3
explain the diversity of life on Earth. What causes differences between individuals? Ch. 17, sections 1-3
What causes differences between populations?
4a. Students will be able to describe Darwin’s theory of How do new species evolve?
evolution by natural selection. What is the difference between variation and diversity?
4a1. Use rock sequences and fossil evidence to How are variation and diversity related to each other?
determine geologic history. (Parts addressed 4th quarter) What makes allele frequency an important concept in biological
4a2. Describe how the evolution of life caused dramatic evolution?
changes in the composition of the Earth’s atmosphere What mechanisms can change allele frequency in populations?
which did not originally contain oxygen. (Parts addressed How do Biologists organize and classify life?
4th quarter.) What is the pattern for where earthquakes and volcanoes occur and
4b. Students will be able to explain scientific theories on How does the theory of plate tectonic relate to biologic evolution?
the origin and evolution of life.
4b1. Describe how earthquakes and volcanic eruptions,
mountain building and continental movements result from
slow plate motions.
4c. Students will be able to describe scientists’ techniques
for determining the age of Earth and its organisms (Parts
addresses 4th quarter)
4c1. Describe and analyze theories of Earth’s origin and
early history using scientific evidence. (Parts addresses 4th
ECOLOGY 3. THE INTERACTIONS OF THE LIVING AND NON- What is the relationship of diversity to variability to stability and Ch. 8, sections 1-3
4th Quarter LIVING COMPONENTS OF AN ECOSYSTEM change in an ecosystem? Ch. 23, sections 1-4
Explain how the concepts of diversity and variability relate How do matter and energy move through ecosystems? Ch. 24, sections 1-3
to stability and chance in an ecosystem. How do human and other species impact their ecosystems? Ch. 26, sections 1-4
What defines the environment we life in? Ch. 27, sections 1-4
3a. Students will be able to describe interactions between How do organisms interact with each other? Ch. 28, sections 1-2
organisms and their environment. What is the source for energy and how is the energy introduced into Ch. 29, sections 1-4
an ecosystem? Ch. 30, sections 1-4
3b. Students will be able to explain the flow of energy and What factors change our environment? Ch. 31, sections 1-4
matter through ecosystems. How does our environment change? Ch. 32, sections 1-3
What partitions Earth into different climate zones and how does Ch. 4, sections 1-3
3c. Students will be able to describe how humans and other that relate to Biomes? Ch. 6, sections 1-3
species impact an ecosystem. How have climate and Ecosystems changed in the past?
3c1. Describe the effect of various gases in the How do we know about Ecosystems of the past?
atmosphere on the amount of energy retained by the What are some major geological and biological events in Earth’s past
Earth system. and when did they happen relative to each other?
3c2. Describe how solar radiation and the amount that
reaches Earth is affected by stratospheric ozone.
3d. Students will be able to analyze different points of view
concerning global and local environmental issues.
3d1. Predict consequences of increased consumption of
renewable and non-renewable resources.
3d2. Identify how volcanic eruptions and impacts of huge
rocks from space can cause wide-spread effects on