Grade 11 · Biology · Semester 1 · 2026–2027

Tracing the diversity of life in Grade 11 Biology.

Every week students explore the living world — from historical classification systems and three-domain models to microscopic bacteria, viruses, protists, and fungi ecosystems. Colored nodes highlight key breaks, review periods, and assessment milestones across the term.

Tap any point on the curve — or any week below — to view specific details.

The semester timeline — click a node to jump directly to that week.
W1 W2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W12 W13 W14 W15 W16 W17 W18 W19 W20 ◆ TODAY

Key Milestones & Academic Recesses

Major checkpoints and breaks guiding student progression throughout the semester.

Break

Saudi National Day

Week 5 · Sep 20 (Days 23 & 24)

National holiday recess integrated alongside Domain & Kingdom classification studies.

Break

Autumn Break

Week 14 · Nov 22

Scheduled mid-semester pause preceding the study of Fungus Diversity & Ecology.

Checkpoint

Revision Week

Week 18 · Dec 20

Comprehensive review covering taxonomy, micro-organisms, protists, and fungi.

Checkpoint

Semester 1 Final Exams

Weeks 19–20 · Dec 27–Jan 3+

Cumulative examination across Unit 4 and Unit 5 biology modules.

W1
Aug 23, 2026
The History of Classification
Unit 4 · Module 16
  • L.1 The History of classification (pp. 425-430)
  • Early systems of classification (Aristotle & Linnaeus) and binomial nomenclature

Understanding how taxonomy evolved helps organize the vast diversity of life on Earth.

W2
Aug 30, 2026
The History of Classification (cont.)
Unit 4 · Module 16
  • L.1 The History of classification (pp. 425-430)
  • Taxonomic categories from species to domain

Solidifying organizational systems for grouping biological organisms.

W3
Sep 6, 2026
Modern Classification
Unit 4 · Module 16
  • L.2 Modern Classification
  • Determining species using phylogenetic trees and cladistics

Modern taxonomy relies on evolutionary relationships and genetic evidence.

W4
Sep 13, 2026
Modern Classification (cont.)
Unit 4 · Module 16
  • L.2 Modern Classification
  • Analyzing molecular clocks and morphological characters

Deeper practice with modern phylogenetic classification tools.

W5
Sep 20, 2026
Domains & Kingdoms / National Day
Break / Unit 4 · Module 16
Break
  • Saudi National Vacation (Sep 23 & 24)
  • L.3 Domains & Kingdoms
  • Overview of Archaea, Bacteria, and Eukarya

Categorizing life into the three main domains and six kingdoms.

W6
Sep 27, 2026
Bacteria
Unit 5 · Module 17
  • L.1 Bacteria
  • Prokaryotic cell structure, diversity, and metabolism

Bacteria are foundational to biological cycles and ecosystem dynamics.

W7
Oct 4, 2026
Bacteria (cont.)
Unit 5 · Module 17
  • L.1 Bacteria
  • Bacterial reproduction, survival strategies, and human impacts

Exploring the dual roles of bacteria as beneficial partners and pathogens.

W8
Oct 11, 2026
Viruses & Prions
Unit 5 · Module 17
  • L.2 Viruses & Prions
  • Viral structure, replication cycles (lytic/lysogenic), and subviral agents

Non-living infectious agents challenge standard definitions of life.

W9
Oct 18, 2026
Introduction to Protists
Unit 5 · Module 18
  • L.1 Introduction to Protists
  • Characteristics and classification of eukaryotic protists

Protists represent the most diverse eukaryotic kingdom.

W10
Oct 25, 2026
Protists Diversity
Unit 5 · Module 18
  • L.2 Protists Diversity
  • Protozoans (animal-like protists) and their locomotion

Understanding heterotrophic unicellular eukaryotes.

W11
Nov 1, 2026
Protists Diversity (cont.)
Unit 5 · Module 18
  • L.2 Protists Diversity
  • Algae (plant-like) and fungus-like protists

Exploring autotrophic algae and decomposer protists.

W12
Nov 8, 2026
Introduction to Fungi
Unit 5 · Module 18
  • L.3 Introduction to Fungi
  • Fungal cell structure, hyphae, mycelium, and nutrition

Fungi play a vital role in nutrient recycling across ecosystems.

W13
Nov 15, 2026
Introduction to Fungi (cont.)
Unit 5 · Module 18
  • L.3 Introduction to Fungi
  • Fungal reproduction and spore formation

Understanding environmental adaptability in kingdom Fungi.

W14
Nov 22, 2026
Autumn Break
Break · Autumn Break
Break
  • No classes scheduled

A mid-semester pause to recharge.

W15
Nov 29, 2026
Fungus Diversity & Ecology
Unit 5 · Module 18
  • L.4 Fungus Diversity & Ecology
  • Major fungal phyla and mutualistic relationships (lichens & mycorrhizae)

Examining symbiosis and fungal ecological roles.

W16
Dec 6, 2026
Fungus Diversity & Ecology (cont.)
Unit 5 · Module 18
  • L.4 Fungus Diversity & Ecology
  • Fungal diseases, medicine, and industrial applications

Connecting fungal biology to human health and biotechnology.

W17
Dec 13, 2026
Fungus Diversity & Ecology Wrap-up
Unit 5 · Module 18
  • L.4 Fungus Diversity & Ecology
  • Module review and synthesis of fungal ecosystems

Completing the core biological content of Semester 1.

W18
Dec 20, 2026
Revision Week
Revision
Revision
  • Comprehensive review of Units 4 & 5
  • Practice exams and concept mapping

Consolidating learning ahead of final examinations.

W19
Dec 27, 2026
Semester 1 Exams Start
Final Exams
Final Exam
  • Semester 1 final examination period begins

Assessing mastery of biological taxonomy, prokaryotes, and protists/fungi.

W20
Jan 3, 2027
Semester 1 Exams (cont.)
Final Exams
Final Exam
  • Semester 1 examination period concludes

Final evaluation before semester closing.