Oceans Test 2014 Version A

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Which ocean zone has the largest variety of organisms? *

open ocean

intertidal zone

neritic zone

deep zone

Which features would be an advantage in the deep zone? *

being strong enough to swim against currents

ability to make food from sunlight

large eyes and being a good hunter

suction ability to cling to rocks

Last name *

Which group of words lists the path a piece of trash would take if it started on land and ended up in the oceans? *

estuary, tributary, river, intertidal zone, neritic zone, open ocean

open ocean, neritic zone, intertidal zone, estuary, river, tributary

tributary, river, estuary, intertidal zone, neritic zone, open ocean

river, tributary, estuary, intertidal zone, neritic zone, open ocean

Which is the best method to respond to the problem of overfishing? *

increase hunting of larger ocean predators

add more nutrients to ocean waters

increase the use of aquaculture

aggressively clean up polluted ocean waters

Which zone of the ocean has organisms that can endure the pounding waves and exposure to air? *

intertidal zone

neritic zone

open ocean

deep zone

Why do some animals in the deep ocean produce their own light? *

to attract predators

to frighten away prey

to do photosynthesis

to attract mates

Which statement about pollution in the oceans is true? *

It can be easily controlled and managed by wealthy nations.

Because it is in the oceans, it does not often affect life on land.

It is a growing problem with no easy solution.

Because it can be burned or eaten by bacteria, it is easily controlled.

Why is the ocean considered a reservoir? *

It contains a wide variety of living things.

It stores most of Earth's water and heat.

It has variations in temperature and salinity.

It has several zones and many diverse organisms.

Which gas is more abundant in the oceans than in the atmosphere? *

carbon dioxide

carbon monoxide

methane

oxygen

First name *

Most ocean pollution comes from *

inside the Earth.

the air.

the land.

ocean organisms.

Which best represents products obtained from a living resource in the oceans? *

water and minerals

salt and energy

ice cream and dairy products

recreation and tourism

Which is the BEST description of the deep zone? *

low salinity, high pressure, low temperature

low temperature, high density, high pressure

high nutrients, low temperature, low pressure

low nutrients, average temperature, changing pressure

What would most likely increase the amount of nutrients available in the surface waters? *

heavy rains

high tide

pollution

upwelling

The only part of the open ocean that receives enough sunlight to support the growth of algae is *

the intertidal zone.

near hydrothermal vents.

the deep zone.

the surface zone.

Which is the best description of brackish water? *

party cold and partly warm

partly shallow and partly deep

partly fresh and partly salty

party nutrient rich and partly nutrient poor

As ocean water in a tide pool warms and evaporates, the remaining water becomes *

cooler.

saltier.

calmer.

darker.

If used wisely, fisheries are naturally renewed each year as *

farm-raised fish replace those that are caught.

the survival rate for non-harvested fish automatically increases.

new fish are born, replacing those that are caught.

overfishing causes the supply of fish to increase.

Water is brought to an estuary from many sources. Which source of water would be responsible for raising the salinity in an estuary? *

runoff

rivers

streams

tides

Which factor best explains why plastics in the ocean are harmful to marine life? *

Plastic can be removed from the oceans and reused for other purposes.

Due to currents, plastic gets trapped in a large region of debris in the Pacific Ocean.

Plastic acts like a sponge, absorbing toxins in the ocean water.

Approximately 80 percent of plastic debris in the ocean originates on land.

Which habitats would be found in the neritic zone? *

tide pools and rocky shores

kelp forests and coral reefs

estuaries and salt marshes

hydrothermal vents and the ocean floor

What is your email address? *

Which would best describe the water found in an estuary? *

low salinity, cold, nutrient-rich

nutrient-rich, shallow, warm

shallow, still, and dangerous

shallow, warm, and polluted

Which ocean habitat would be found closest to the shore? *

hydrothermal vent

tide pool

coral reef

kelp forest

Which feature of estuaries explains why estuaries act as environmental filters? *

thick network of plant roots

warm, nutrient-rich waters

strong, wind-resistant trees

shallow, cold waters

Which best explains how upwelling occurs? *

warm, less dense deep water floats to the surface zone

surface water moves away, allowing cold, nutrient-rich water to move up

waves and tidal actions cause surface and deep waters to mix together

sunlight warms deep water that rises to the surface zone

Which group of organisms would most likely live in the intertidal zone? *

anglerfish, giant tubeworms, gupler eel, blobfish

hermit crab, sea anemone, barnacles, sea star

kelp, sea otters, coral, clownfish

blue whale, shark, plankton, albatross

What allows organisms to live near hydrothermal vents? *

chemical nutrients from Earth's interior

algae and plankton on the ocean floor

secretions by tube worms

energy from filtered sunlight

As you descend through the water column, what happens? *

density decreases

light increases

pressure decreases

temperature decreases

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