IGCSE & A Level · 46 topics

Marine Science

G3N tutors you through the full Cambridge Marine Science syllabus offline — from Distribution of oceans and major ocean basins, The ocean floor and its features, Plate tectonics and ocean formation and more — with adaptive lessons, instant quizzes, flashcards and exam-ready summaries.

Syllabus

What you’ll cover in Marine Science.

The complete topic outline G3N teaches, mapped to the Cambridge curriculum.

IGCSEThe Earth and its oceans

3 topics
Distribution of oceans and major ocean basins
The ocean floor and its features
Plate tectonics and ocean formation

IGCSESea water

3 topics
Composition and salinity of sea water
Ocean currents, tides and waves
Temperature and density layering in the ocean

IGCSEMarine organisms

2 topics
Classification of marine life
Adaptations of marine organisms to their environment

IGCSENutrients and energy

3 topics
Photosynthesis and primary production in the ocean
Food webs and energy flow in marine ecosystems
Nutrient cycling in marine environments

IGCSEMarine ecology

2 topics
Populations, communities and marine habitats
Coral reefs, mangroves and other key ecosystems

IGCSEHuman influences on the marine environment

4 topics
Overfishing and unsustainable fishing practices
Pollution and habitat destruction
Climate change impacts on the ocean
Marine conservation and management strategies

A LevelWater (AS)

3 topics
Particle theory and bonding in water
Solubility of substances in sea water
Density and pressure in the ocean

A LevelEarth processes (AS)

3 topics
Tectonic processes and ocean formation
Weathering, erosion and sedimentation
Tides and ocean currents

A LevelInteractions in marine ecosystems (AS)

3 topics
Interactions between marine organisms
Feeding relationships and food webs
Nutrient cycles in the ocean

A LevelClassification and biodiversity (AS)

4 topics
Classifying marine organisms
Key groups of marine life
Measuring biodiversity and populations
Sampling techniques in marine ecology

A LevelExamples of marine ecosystems (AS)

5 topics
The open ocean
Tropical coral reefs
Rocky shores
Sandy shores
Mangrove forests

A LevelPhysiology of marine organisms (A2)

3 topics
General cell structure in marine organisms
Movement of substances across membranes
Gas exchange and osmoregulation

A LevelEnergy (A2)

2 topics
Photosynthesis and chemosynthesis in the ocean
Respiration in marine organisms

A LevelFisheries for the future (A2)

3 topics
Life cycles of commercially important species
Sustainable fisheries management
Marine aquaculture

A LevelHuman impacts on marine ecosystems (A2)

3 topics
Ecological impacts of human activities
Global warming and ocean acidification
Conservation of marine ecosystems
How G3N helps

Turn this syllabus into a pass.

Both tiers, one tutor

IGCSE and A Level content sit side by side, so the tutor follows you from Year 10 through to Year 13.

Structured by syllabus

Topics follow the organisation of the current Cambridge syllabus for each subject, not generic web answers.

Practise and revise

Generate questions per topic, get marked answers with explanations, and summarise dense readings before the paper.

Master Marine Science, offline.

No sign-up wall, no data plan required. Open G3N and go.