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What is the main difference between Marine Biology and Oceanography?
What is the main difference between Marine Biology and Oceanography?
- Marine Biology measures salinity using a hydrometer, while Oceanography uses a different tool.
- Marine Biology studies life in the ocean, while Oceanography studies the physical characteristics of the ocean. (correct)
- Marine Biology studies freshwater ecosystems, while Oceanography studies saltwater ecosystems.
- Marine Biology focuses on icebergs melting, while Oceanography focuses on salt runoff.
What does salinity measure in water?
What does salinity measure in water?
- The density of the water
- The pressure of the water
- The amount of salt dissolved in the water (correct)
- The temperature of the water
How is salinity expressed?
How is salinity expressed?
- As a percentage or parts per thousand (correct)
- In grams per liter
- As a ratio of water to salt
- In milliliters per liter
What is the most common salt dissolved in ocean water?
What is the most common salt dissolved in ocean water?
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Which process decreases both salinity and density of water?
Which process decreases both salinity and density of water?
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What tool is used to measure salinity by determining the density of water?
What tool is used to measure salinity by determining the density of water?
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What is the classification for organisms that can swim against currents?
What is the classification for organisms that can swim against currents?
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Which type of plankton performs photosynthesis?
Which type of plankton performs photosynthesis?
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What percentage of Earth's oxygen is estimated to be produced by phytoplankton?
What percentage of Earth's oxygen is estimated to be produced by phytoplankton?
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Which type of plankton is mainly composed of eggs and larvae of invertebrates?
Which type of plankton is mainly composed of eggs and larvae of invertebrates?
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What do zooplankton primarily perform within the marine ecosystem?
What do zooplankton primarily perform within the marine ecosystem?
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What is the main reason phytoplankton must live in the photic zone?
What is the main reason phytoplankton must live in the photic zone?
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