Oceanography
Chapter 18
The Seafloor
Section 18.1
Divide the ocean into 3 sections.
Divide the ocean into 3 sections.
Continental Margin
Basin
mid-ocean ridge
What features make up the continental margin?
What features make up the continental margin?
Continental shelf
Continental slope
Trench
What features make up the ocean basin?
What features make up the ocean basin?
Abyssal plain
Seamount
Guyots
What features make up the mid-ocean ridge?
What features make up the mid-ocean ridge?
Rift
Volcano
Give some deep water deposits.
Give some deep water deposits.
Smokers chimneys
Manganese nodules
Ooze
Live in the Ocean
Section 18.2
List five things that the oceans provide for organisms.
List five things that the oceans provide for organisms.
Water
Energy
Food
Mechanism for reproduction
Thermally stable environment
Give two methods for organisms to receive energy in the ocean.
Give two methods for organisms to receive energy in the ocean.
Photosynthesis
Chemosynthesis
Give 3 types of ocean life.
Give 3 types of ocean life.
Plankton
Nekton
Benthos
Pollution and Marine Life
Section 18.3
List 7 human activities that pollute the oceans.
List 7 human activities that pollute the oceans.
Industrial waste
Pesticides
Crop fertilizers
Human sewage
Oil spills
Cutting down forests
Construction
Explain how ocean pollution affects the entire world.
How can we live on earth with out destroying the oceans?
