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Ch14 Review
Ch 14 Exan Review
| Question | Answer |
|---|---|
| ________________ is a technique that uses sound waves to calculate the distance to an object. | Sonar |
| The ocean floor is difficult to study because of the _____________, ___________________, and __________________. | darkness, cold temperature, and extreme pressure. |
| The ________________ is a gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent. | continental shelf |
| A nearly flat region of the ocean floor, covered with thick layers of sediment is called the __________________. | abyssal plain |
| The _______________ is a continuous range of mountains that winds around Earth underwater. | mid ocean ridge |
| A deep canyon in the ocean floor is called a ___________. | trench |
| Tides are caused by the force of the sun’s and moon’s _________ pulling on Earth. | gravity |
| The _____________ is the regular cycle in the Earth-moon system that produces the phases of the moon. | lunar cycle |
| In the lunar cycle, the moon takes _______ days to move through its phases. | 29.5 |
| At the _____________, the side of the moon facing Earth also faces away from the sun making the moon not visible. | new moon |
| The greatest difference between the height of high and low tides occur during a __________ tide. | spring |
| A tidal power plant produces energy using the movement of water between ______ and ________ tide. | high and low |
| __________________ are free-swimming animals that can move throughout the water column. | Nekton |
| ____________ are organisms that inhabit the ocean floor. | Benthos |
| _________ are coastal inlet or bays where fresh water from rivers mixes with the salty ocean water. | Estuaries |
| Water that is partly salty and partly fresh is _________. | brackish |
| Coastal wetlands that feature short, gnarled trees with anchoring prop roots are called _______________. | mangrove forests |
| One method of reducing erosion along a stretch of beach is to build a wall of rocks or concrete called a ____________. | groins |
| ___________ ____________ are large forms of algae that grow in a cold neritic zone habitat. | Kelp forests |
| The ________ is the only part of the open ocean that receives enough sunlight to support the growth of algae. | surface zone |
| _______________ is the base of most open-ocean food webs. | Algae plankton |
| In the dark deep zone of the open ocean, some animals produce light called _______________________. | bioluminescence |
| The organisms living around the ____________________ are supported by the chemical nutrients from Earth’s interior. | hydrothermal vents |
| ____________ is an example of a living resource from the ocean. | Algae |
| The majority of the ocean is owned by ___________. | no one |