Ocean Quiz Review

Which best describes the water in an estuary?

• Brackish

• Frozen

• Fresh

• Salt

Why do plant plankton not grow in the deep ocean?

• because sunlight does not reach the deep ocean

• because too many animals eat it before it can grow

• because there are not enough dissolved gases to support it

• because it is too hot

Organisms living in an estuary would MOST likely have to adjust to changes in which factor?

• Wave Action

• Salinity

• sunlight

• precipitation

Deep ocean technology has discovered organisms in hydrothermal vents that do not rely on sunlight to survive. What do these organisms use as their energy source?

• electrical charge

• hydropower

• thermal heat

• chemosynthesis

Which type of ocean water would contain more dissolved oxygen?

• temperate ocean water in subtropical regions

• warm ocean water in tropical regions

• cold ocean water in polar regions

• temperate ocean water in polar regions

Which of these provides MOST of the oxygen in Earth's atmosphere?

• hydrothermal vents

• rainforest plants

• ocean phytoplankton

• continental grasslands

Why are many fishing boats found near ocean upwellings?

• There is less vegetation there.

• The water is less turbulent there.

• Many marine species gather there to eat the nutrients brought to the surface.

• Upwellings are found in more shallow waters, so boats do not need deep anchorage.

Wind blowing across the ocean causes

• surface currents to form.

• deep currents to form.

• nutrient rich currents to form.

• thermocline currents to form.

An abnormal climate event that causes change in weather patterns, currents and winds.

• Coriolis effect

• Upwelling

• Methane Cold Seeps

• El Nino

Organisms that are bioluminescent have the ability to

• make their own light.

• live in the dark.

• breathe underwater.

• breathe in salt water.