Virginia · VDOESyllabus
Biology syllabus, dot point by dot point
Every dot point in the Virginia Biologysyllabus, with a focused answer for each one. Click any dot point for a worked explainer, past exam questions, and links to related dot points. Written by Claude Opus 4.8, Anthropic's latest AI.
Reporting Category 3: Molecular and Genetic Biology
Module overview →- How are bacteria structured, and why are they both beneficial and harmful?Describe the structure of bacteria as prokaryotic cells, how they reproduce, and the beneficial and harmful roles they play in other organisms and the environment (Virginia 2018 Biology SOL BIO.4.b, BIO.4.d).11 min answer →
- How did the germ theory change medicine, and how do infectious diseases spread?Explain the germ theory of infectious disease, the evidence that supports it, how pathogens are transmitted, and how the spread of disease can be prevented (Virginia 2018 Biology SOL BIO.4.e).11 min answer →
- How does the immune system recognize and respond to pathogens, and how do vaccines work?Explain how the human immune system recognizes antigens and produces antibodies in response, including the role of memory cells and how vaccines provide immunity (Virginia 2018 Biology SOL BIO.4.c).12 min answer →
- Why are viruses dependent on a host, and are they considered alive?Explain that viruses depend on a host cell for reproduction: describe their basic structure, how they hijack host machinery, and why they are not classified as living cells (Virginia 2018 Biology SOL BIO.4.a).11 min answer →
Reporting Category 2: Cell Biology and Cellular Processes
Module overview →- How does the structure of each organelle suit the job it does for the cell?Identify the major cell organelles and relate each structure to its function, showing how organelles work together to support life processes (Virginia 2018 Biology SOL BIO.3.a).12 min answer →
- What does cell theory state, and how do prokaryotic and eukaryotic cells differ?State the cell theory and the evidence for it, and distinguish prokaryotic from eukaryotic cells and plant from animal cells (Virginia 2018 Biology SOL BIO.3.a).12 min answer →
- How does meiosis halve the chromosome number and create genetic variation?Describe meiosis as the division that produces gametes with half the chromosome number, and explain how crossing over, independent assortment, and fertilization create genetic variation (Virginia 2018 Biology SOL BIO.3.d, supporting BIO.5).12 min answer →
- How does mitosis produce two identical cells, and what happens when the cell cycle goes wrong?Describe the cell cycle and mitosis as the process that produces two genetically identical cells for growth and repair, and relate uncontrolled cell division to cancer (Virginia 2018 Biology SOL BIO.3.c, BIO.3.d).12 min answer →
- How does the cell membrane control what moves in and out of the cell?Explain that the cell membrane is selectively permeable and describe passive transport (diffusion and osmosis) and active transport, including the role of concentration gradients (Virginia 2018 Biology SOL BIO.3.b).12 min answer →
Reporting Category 2: Cell Biology and Cellular Processes
Module overview →- How do cells release the energy stored in glucose to power life?Explain cellular respiration as the release and transformation of stored energy: glucose and oxygen are broken down in mitochondria to release energy (ATP), with carbon dioxide and water as products, and compare aerobic respiration with fermentation (Virginia 2018 Biology SOL BIO.2.e).12 min answer →
- How do enzymes speed up reactions, and what makes them stop working?Explain that enzymes are protein catalysts with specific functions: they lower activation energy, act on specific substrates at an active site, and are affected by temperature, pH, and concentration (Virginia 2018 Biology SOL BIO.2.c, BIO.2.d).12 min answer →
- What are the four macromolecules of life, and how does each one's structure suit its job?Describe the four classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), their monomers, and their roles in maintaining life processes (Virginia 2018 Biology SOL BIO.2.b).12 min answer →
- How do plants capture light energy and store it as chemical energy in glucose?Explain photosynthesis as the capture, transformation, and storage of energy: light energy and the reactants carbon dioxide and water are converted in chloroplasts into glucose and oxygen (Virginia 2018 Biology SOL BIO.2.e).12 min answer →
- Why is water's polarity the key to its life-supporting properties?Explain how the chemistry of water influences life processes: its polarity and hydrogen bonding give it cohesion, adhesion, a high specific heat, and its role as the universal solvent and a reactant (Virginia 2018 Biology SOL BIO.2.a).12 min answer →
Reporting Category 4: Classification, Evolution, and Ecology
Module overview →- How does energy flow through an ecosystem, and why does it limit the number of trophic levels?Explain how energy flows through ecosystems through food chains, food webs, and trophic levels, including the roles of producers, consumers, and decomposers and the ten percent rule (Virginia 2018 Biology SOL BIO.8.b).13 min answer →
- How do natural events and human activities change Virginia's ecosystems?Explain how natural events and human activities influence local and global ecosystems and may affect the flora and fauna of Virginia, including the Chesapeake Bay watershed, invasive species, and eutrophication (Virginia 2018 Biology SOL BIO.8.d).12 min answer →
- How do nutrients cycle through ecosystems, and how do communities change through succession?Describe how the carbon, nitrogen, and water cycles move nutrients through ecosystems, and explain primary and secondary ecological succession (Virginia 2018 Biology SOL BIO.8.b and BIO.8.c).13 min answer →
- What determines how large a population can grow in an ecosystem?Explain population dynamics, including carrying capacity, limiting factors, growth curves, and density-dependent and density-independent factors (Virginia 2018 Biology SOL BIO.8.a).12 min answer →
Reporting Category 4: Classification, Evolution, and Ecology
Module overview →- How do biologists classify organisms and show their evolutionary relationships?Explain the basis of the modern classification system, compare the domains and kingdoms, use dichotomous keys, and analyze relationships using phylogenetic trees and cladograms (Virginia 2018 Biology SOL BIO.6.a, BIO.6.b, BIO.6.c, and BIO.6.d).12 min answer →
- What independent lines of evidence support the theory of evolution by natural selection?Describe the evidence supporting the theory of evolution by natural selection, including the fossil record, comparative anatomy, embryology, molecular evidence, and biogeography (Virginia 2018 Biology SOL BIO.7.a).13 min answer →
- How does natural selection act on variation to produce adaptation and change a population over time?Explain how the role of variation and mutations drives natural selection, producing adaptation and changing the heritable traits of a population over generations (Virginia 2018 Biology SOL BIO.7.b).13 min answer →
- How do reproductive and geographic isolation lead to the formation of new species?Explain how speciation occurs and the effects of reproductive isolation and geographic isolation on the formation of new species (Virginia 2018 Biology SOL BIO.7.c, BIO.7.d, and BIO.7.e).12 min answer →
Reporting Category 3: Molecular and Genetic Biology
Module overview →- How do biotechnologies alter organisms, and what are their benefits and concerns?Describe biotechnologies (selective breeding, genetic engineering, GMOs, cloning, gene therapy, and DNA fingerprinting) and discuss their implications and applications for the individual and society (Virginia 2018 Biology SOL BIO.5.d).12 min answer →
- How does the structure of DNA let it store information and be copied accurately?Describe the structure of DNA (the antiparallel double helix and base pairing) and explain how complementary base pairing allows DNA to be replicated accurately (Virginia 2018 Biology SOL BIO.5.a).12 min answer →
- How do Punnett squares predict the genotype and phenotype ratios of a genetic cross?Use alleles, genotype and phenotype, dominant and recessive, and Punnett squares to predict the genotype and phenotype ratios and probabilities of monohybrid crosses (Virginia 2018 Biology SOL BIO.5.b).13 min answer →
- What is a mutation, and why is genetic variation important to the survival of a species?Explain that a mutation is a change in the DNA base sequence with harmful, beneficial, or neutral effects, and that genetic variation (from mutation and sexual reproduction) is important to the survival of a species (Virginia 2018 Biology SOL BIO.5.c).12 min answer →
- How do inheritance patterns beyond simple dominance, and pedigrees, reveal how traits are passed on?Describe patterns of inheritance beyond simple dominance (incomplete dominance, codominance, multiple alleles, and sex-linked traits) and interpret pedigrees (Virginia 2018 Biology SOL BIO.5.b).13 min answer →
- How does the base sequence in DNA determine the proteins a cell makes?Explain protein synthesis: how transcription copies DNA into mRNA and translation reads codons at the ribosome to build a protein, linking the DNA base sequence to the trait (Virginia 2018 Biology SOL BIO.5.a, supporting BIO.2.d).12 min answer →
Reporting Category 1: Scientific Investigation and the Nature of Science
Module overview →- How do you organize biological data and choose the right graph to reveal a relationship?Construct and interpret data tables and graphs: organize data, choose an appropriate graph type, read trends and values from a graph, and calculate simple quantities such as means and rates from data (Virginia 2018 Biology SOL BIO.1.c).12 min answer →
- How do you design a controlled biological experiment that produces valid, trustworthy data?Plan and carry out controlled investigations: ask a testable question, form a hypothesis relating an independent and a dependent variable, identify the variables that must be controlled, and explain the role of the control group (Virginia 2018 Biology SOL BIO.1.a, BIO.1.b).12 min answer →
- How do scientists use models, and how is scientific information evaluated and communicated?Develop and use models to explain and predict, judging their merits and limitations, and obtain, evaluate, and communicate scientific information from reliable sources (Virginia 2018 Biology SOL BIO.1.e, BIO.1.f).12 min answer →
- How do you draw a valid conclusion from data, and how do error and bias limit what you can claim?Construct and critique conclusions and explanations: make a claim supported by evidence and reasoning, judge whether the data support the hypothesis, and identify sources of error and uncertainty in an investigation (Virginia 2018 Biology SOL BIO.1.d).12 min answer →