OGE Biology study plan
OGE Biology · Give each week a clear focus.
8 weeks · About 6 hours per week
The human body and its health: organ systems, hygiene, first aid
Label all major organ systems and their principal organs on a blank outline of the human body
Describe the path of blood through the heart and both circulation circuits from memory
Explain the roles of the digestive organs in mechanical and chemical processing of food
Distinguish between arteries, veins, and capillaries by structure and function
Your checkpoint
A hand-drawn, fully labeled body-systems map with a one-paragraph written explanation of each of the four systems covered
The human body and its health: organ systems, hygiene, first aid
Trace the pathway of air through the respiratory system and describe gas exchange in the alveoli
Explain how the nephron filters blood and how urine is formed
Describe reflex arcs and the roles of the central and peripheral nervous systems
List hygiene rules and first-aid steps for bleeding, burns, and fractures
Interpret a simple vaccination or immunity scenario in terms of antibody production
Your checkpoint
A 20-question self-written quiz on human body systems and first aid, with an answer key and cited reasons for each correct answer
Animals - structure, life activity, classification
Classify representative animals into major phyla and classes using observable features
Compare the body plans and organ systems of an earthworm, an insect, a fish, and a mammal
Describe the life cycles of a frog and a butterfly, naming each stage
Explain how the circulatory and respiratory systems differ across vertebrates
Your checkpoint
A comparison table of at least six animal groups across five traits (symmetry, skeleton, respiration, circulation, development)
Animals - structure, life activity, classification & Organisms: bacteria, fungi, plants - structure, life activity, classification
Distinguish the structural features of bacteria, fungi, and plants in a written comparison
Describe bacterial reproduction and the role of bacteria in ecosystems and disease
Explain the structure and growth of a flowering plant from root to flower
Compare the life cycles of mosses, ferns, and flowering plants
Your checkpoint
A one-page written comparison of bacteria, fungi, and plants covering cell type, nutrition, reproduction, and ecological role, plus a labeled diagram of a flowering plant
Organisms: bacteria, fungi, plants - structure, life activity, classification & Cellular structure and chemical composition of cells; cell division
Identify the organelles of a plant and an animal cell and state each organelle's function
Explain the stages of mitosis and the difference between mitosis and meiosis
Describe the chemical composition of cells: proteins, lipids, carbohydrates, and nucleic acids
Explain photosynthesis and cellular respiration as complementary processes
Your checkpoint
A side-by-side labeled diagram of plant and animal cells with a written table matching each organelle to its function and to the cell type that contains it
Cellular structure and chemical composition of cells; cell division & Biology as a science; methods of biological study; signs of living organisms; levels of organization of life
Define the levels of organization of life and give an example for each level
List the criteria that distinguish living from nonliving things and apply them to a case
Describe the scientific method and how a controlled experiment is designed
Explain the role of enzymes and temperature in cellular reactions
Your checkpoint
A written experimental design for a simple controlled experiment, including hypothesis, variables, control group, and predicted results
Ecology and the biosphere; ecosystems and human influence on nature & Evolutionary doctrine; patterns of evolution; biogeocenology
Distinguish between a population, a community, an ecosystem, and the biosphere with examples
Explain energy flow and trophic levels in a food web, including the pyramid of numbers
Describe how natural selection produces adaptation, using a specific example
Explain the evidence for evolution from fossils, comparative anatomy, and embryology
Identify three human activities that reduce biodiversity and propose one mitigation for each
Your checkpoint
A hand-drawn food web of at least eight organisms with trophic levels labeled, plus a short written explanation of what happens if one species is removed
Biology as a science; methods of biological study; signs of living organisms; levels of organization of life & Ecology and the biosphere; ecosystems and human influence on nature & Evolutionary doctrine; patterns of evolution; biogeocenology
Complete two full-length timed practice exams under exam conditions
Review every missed question and write the underlying concept it tested
Re-test all weak concepts from weeks 1-7 using spaced flashcards
Summarize the biosphere, ecosystem stability, and human impact in a single review sheet
Your checkpoint
A scored practice-exam log with error analysis and a one-page final review sheet of the five weakest concepts
Milestones
Week 2: Score at least 80% on the self-written human body quiz and correctly label every organ on the body map without notes
Week 4: Correctly classify ten given organisms into their kingdom or phylum and justify each choice in one sentence
Week 6: Explain cell division and organelle function in writing without reference to notes, scoring at least 75% on a mixed 30-question set from domains 1-3
Week 8: Achieve at least 75% on both timed practice exams, with no domain scoring below 60%