Introduction to the Oceans Unit 2 6 pg

Introduction to the Oceans Unit 2. 6, pg 92 -99 LO: • Know the importance of the Oceans • Understand how Ocean ecosystems work and how they are interlinked.

Ocean Facts: �Oceans cover 70% of the Earth’s Surface � 97% of the earth’s water is in the oceans The importance of the Oceans: �Influence our weather and climate. (eg. El nino) �They are an important part of the water cycle (evaporation) �They generate O 2 and absorb CO 2 �They provide us with food and resources

Life in the Oceans § The Food pyramid of the Ocean: § Primary producers Ø Use energy (Sunlight) to convert nutrients into organic compounds (glucose) Ø Nothing else on the food chain produces glucose Ø They are found only in the upper layers § As you move up the food pyramid/trophic levels the amount of energy available is lost (through respiration and waste). § All the species in the ocean are interdependant.

Introduction to the Oceans Unit 2. 6, pg 92 -99 LO: • Know the importance of the Oceans • Understand how Ocean ecosystems work and how they are interlinked. • Read the Pages 93 -94 and make a list of A. Potential resources from the ocean – add any extra ones that you can think of that are not mentioned in the book B. Consequences of uncontrolled/unmanaged exploitation of these resources • Do the activities 1 -3 on page 94