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Subject: Biology
Semester: 1
Period: 2
Week: 8
School Name:
Teacher’s Name:
Subject: Biology
Grade Level: Grade 10
Date: Week 8
Lesson Duration: 45 minutes
Week & Term: Week 8, Period 2
Topic: The Hierarchy and Diversity of Living Things
Sub-topic: Levels of Classification – Kingdom, Phylum, Class, Order, Family, Genus, Species
Learning Objectives
By the end of the lesson, students should be able to:
- List the seven levels of biological classification
- Arrange organisms correctly from Kingdom to Species
- Give examples of classification for selected organisms
Previous Knowledge
Students already know:
• Classification and the five kingdoms
• General characteristics of living things
Instructional Materials
• Biology textbook (Liberian edition)
• Chart showing classification levels
• Flashcards with different taxonomic ranks
• Student notebooks
• Poster of classification of humans and maize
Lesson Development – ABC Model
A – Anticipation (Warm-up / Starter)
Time: 5–10 mins
Ask: “How do we know that cats and lions are related, but not the same?”
Use a visible classification tree of organisms. Let students make early guesses.
B – Building Knowledge (Main Lesson Body)
Time: 25–30 mins
Teacher explains:
- The seven levels of classification are:
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
Mnemonic: “King Philip Came Over For Good Soup”
- Each level becomes more specific as we go down.
- Two organisms in the same species can reproduce together.
- Examples are given:
- Human: Animalia, Chordata, Mammalia, Primates, Hominidae, Homo, sapiens
- Maize: Plantae, Angiospermae, Monocotyledonae...
Learners’ Activities (Expanded):
- Students arrange shuffled flashcards of the classification levels in order
- Complete a classification chart for humans and dogs in groups
- Watch or listen to a short story of how Linnaeus developed the system
- Play a “taxonomy race” where teams must classify three sample organisms
- Practice using a printed template to classify a local plant or animal
Assessment Checks:
- Teacher asks students to name levels in the correct order
- One-on-one questioning during group tasks
- Peer group correction of example charts
Notes (Expanded & Detailed):
- The seven taxonomic levels allow scientists to narrow down the identity of an organism.
- Kingdom is the largest and includes many organisms; Species is the smallest and most specific.
- Example: While lions and tigers are in the same family, they are not in the same species.
- Genus and species together form the scientific name of an organism (e.g., Homo sapiens for humans).
- Classification helps avoid confusion and is used worldwide in science, medicine, and farming.
C – Consolidation (Conclusion & Assessment)
Time: 5–10 mins
Review the seven levels with student repetition. Ask volunteers to classify one organism aloud.
Evaluation Method (Expanded):
- Written task:
- List the seven taxonomic levels in order
- Classify maize from Kingdom to Species
- Define the terms “Genus” and “Species”
- Bonus: What is the scientific name of humans?
Assignment (Expanded):
- Choose any animal or plant in your environment. Research its full classification from Kingdom to Species.
- Then answer:
a) What does its scientific name tell you?
b) Is there another organism that shares its genus? - BONUS: Create your own mnemonic for the seven levels
Follow-up Activity (if any):
- Bring your classified organism for a class display. Posters will be used for a “Taxonomy Gallery Walk” next week.
Differentiation / Inclusive Strategies
• Struggling Learners: Use three levels only (Kingdom, Class, Species)
• Advanced Learners: Explore binomial nomenclature rules
• Students with Disabilities: Provide visual templates and structured support
Teacher’s Reflection (After Class)
• What worked well?
• What needs improvement?
• Students’ engagement level: □ High □ Medium □ Low
• Next steps: Begin exploration of unicellular organisms and diseases