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Saving Our Oceans: The Importance of Marine Biology

Explore the vital role of marine biology in understanding and conserving our oceans. Learn about the different zones, interdependent relationships, and threats to marine life. Discover ways to help protect our oceans and promote sustainability.

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Saving Our Oceans: The Importance of Marine Biology

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  1. Presented by Paloma Lau Angelina Chan Theodora Cheung Santina Kam

  2. Nearly 71% of the earth's surface is covered by oceans. Marine Biology is the study of marine organisms and the environment Our Earth = Blue Planet directly and indirectly affect our daily lives, and the living organisms that inhabit them are a main source of food and natural resources.

  3. HELP!! But due to the over-exploitation and pollution, the oceans are now in need of your help.

  4. Some Basic Knowledge The ocean is divided into 5 broad zones vertically according to how far down sunlight penetrates: ¶ Epipelagic, or sunlit zone ¶ Mesopelagic, or twilight zone ¶ Bathypelagic, or midnight zone ¶ Abyssalpelagic, or Abyssal zone ¶ Hadalpelagic, or Hadal zone

  5. Life in Ocean The marine ecosystems can be viewed as the balance of predator-prey relationships Evolution and Adaptation * All living forms are constantly changing through a slow process by natural selection * Genes that favor survival& reproduction will pass down to the next generations

  6. Life in Ocean In order to compete for food & territory, sometimes members of different species may live in very close association, and even with one inside the other. Interdependent Relationship Symbiosis is the term for any biological relationship between organisms living in close association or direct contact with each other. Types of symbiotic relationships depending on the nature of the benefits and costs to those organisms involved. Mutualism, Commensalism & Parasitism

  7. Classification of Sea Organisms Five Kingdoms MONERA PROTISTA PLANTAE FUNGI ANIMALIA Examples: Clownfish = ANIMALIA Blue-green Algae = MONERA

  8. Various human activities and their adverse consequences…

  9. Threats to the Ocean ¶Over-fishing and harmful fishing practice ¶ Oil pollution ¶Toxic Wastes and Nutrients Pollution ¶ Ocean dumping ¶ Coastalurban development ¶ Destruction of the ozone layer ¶ Global climate change.... Rise in sea temp. & level, Biodiversity reduction, photosynthesis , less oxygen

  10. What can we do? We can save the ocean by: Avoid the creation of waste as much as you can Not dispose of toxic wastes or used motor oil in drains Pick up litter as you walk along the beach Use public transport or bicycle Smart use of fertilizers, or use organic lawn & garden products Eat sustainably caught seafood. Be alert and report any sign of marine pollution to the authority.

  11. Are you willing to help? We have published our work on the Internet. http://n.1asphost.com/project0405/bio_ocean/index.htm Or http://k.domaindlx.com/palomama/bio_ocean/index.htm

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