IB biology - A1.1 Water

Syllabus

Standard level

• A1.1.1 Water as the medium of life
• A1.1.2 Hydrogen bonds as a consequence of the polar covalent bonds within water molecules
• A1.1.3 Cohesion of water molecules due to hydrogen bonding and consequences for organisms
• A1.1.4 Adhesion of water to materials that are polar or charged and impacts for organisms
• A1.1.5 Solvent properties of water linked to its role as a medium for metabolism and for transport in plants and animals
• A1.1.6 Physical properties of water and the consequences for animals in aquatic habitats

Additional higher level

• A1.1.7 Extraplanetary origin of water on Earth and reasons for its retention
• A1.1.8 Relationship between the search for extraterrestrial life and the presence of water

Slides