Human Impact

How do oceans regulate climate?

• Currents move water that heats the atmosphere, around the world
• Currents move the atmosphere from place to place
• Oceans prevent clouds from forming
• Ocean winds create winds

Which process is the ocean primarily responsible for in the water cycle?

• Transpiration
• Precipitation
• Condensation
• Evaporation

How are phytoplankton similar to small trees?

• Both conduct photosynthesis
• Both are at the top of the food chain
• Both grow in soil
• Both are the same size

Which of the following is associated with dead zones in the ocean?

• Runoff from fertilizers
• An increase in oxygen levels
• A decrease in nitrogen levels
• An increase in the number of fish

Biotic factors would include all but..

• humans
• fish
• Trees
• soil

Abiotic factors would include all but...

• Sunlight
• Plants
• Pollution
• Temperature

Benefits of Coral Reefs include:

• Provide photosynthesis
• Pollution
• Regulates climate
• Fertilizer and Pesticide

An example of Point Source Pollution

• urban runoff
• Sediment from improperly managed construction sites
• discharges from wastewater treatment plants
• eroding streambanks

An example of Nonpoint Source Pollution would include

•  operational wastes from industries
• Pollution from a pipe
• Water bottles floating in the ocean
• A factory leaking chemicals into nearby stream

The largest source of pollution in the ocean comes from_____

• Acid rain
• Oil Spills
• Trash
• Runoff from fertilizer and pesticide