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Questions and Answers
Which of the following is a consequence of the polar covalent bonds within water molecules?
What is the main reason for the cohesion of water molecules?
How does water's adhesion to polar or charged materials impact organisms?
What is the role of water as a medium for metabolism and transport in plants and animals?
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How do the physical properties of water impact animals in aquatic habitats?
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Study Notes
Water Molecules and Cohesion
- Polar covalent bonds within water molecules result in a slightly positive charge on hydrogen atoms and a slightly negative charge on oxygen atoms, leading to cohesion between water molecules.
Cohesion of Water Molecules
- The main reason for cohesion between water molecules is the attraction between the slightly positive hydrogen atoms of one molecule and the slightly negative oxygen atoms of another molecule.
Adhesion of Water to Polar or Charged Materials
- Water's adhesion to polar or charged materials, such as cell membranes, proteins, and minerals, affects the structure and function of cells, tissues, and organs in organisms.
Role of Water in Metabolism and Transport
- Water serves as a medium for metabolism and transport in plants and animals, facilitating chemical reactions and the transportation of nutrients, oxygen, and waste products.
Impact of Water's Physical Properties on Aquatic Animals
- The physical properties of water, including its high specific heat capacity, surface tension, and density, impact animals in aquatic habitats by regulating their body temperature, providing support, and affecting their buoyancy and movement.
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Description
Test your knowledge on the essential properties of water and its role as a habitat in this quiz. Explore the physical and chemical properties that make water vital for life, as well as the challenges and opportunities it presents as a habitat. This quiz is based on the IB SL and HL Content for A1.1 Water.
