The Aquatic Environment: Marine and Freshwater

The video explores the critical role of water on Earth, highlighting its unique properties such as polarity and cohesion. It explains water's function as a universal solvent, essential for biological processes. The hydrologic cycle is detailed, showing water's distribution and recycling. Marine and freshwater ecosystems are examined, including their zones and biodiversity. The video concludes with a discussion on factors affecting aquatic ecosystems, such as temperature and dissolved oxygen levels.

What are the main zones of the ocean and their characteristics?

What adaptations do freshwater organisms have compared to marine organisms?

Discuss the impact of temperature on dissolved oxygen levels in water.

How does the presence of nutrients affect aquatic ecosystems?