Marine Biology Unit Review

True or False: Oceanography is the study of all of these aspects of the ocean.

• True

• False

Marine Ecosystems are categorized by

• The high amount of salt found in the water

• Having a diverse fish population

• Looking cool

• people's enjoyment of the ocean

Living things are called (a)   (Not Biotic)

What percent of the Earth is water

(a)  

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NGSS.MS-ESS2-4

What percent of water on Earth is salt water?

(a)  

Which of the following statements BEST describes the difference between mammals and marine mammals?

• Mammals breathe air using their lungs while marine mammals breathe in water using their gills.

• Most mammals meet their needs on land but marine mammals meet their needs from in or near the ocean.

• Marine mammals eat fish while mammals on land eat plants.

• Marine mammals are larger than other types of mammals.

Which of the following is a characteristic feature of coral reefs?

• They are found in cold, arctic waters

• They primarily consist of dead coral and algae

• They support a high biodiversity of marine life

• They are most commonly found in freshwater environments

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NGSS.MS-LS2-3

What is the primary reason for the decline in marine biodiversity in many areas?

• Increased marine traffic

• Introduction of invasive species

• Pollution and habitat destruction

• Increased interest in marine biology

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NGSS.MS-LS2-5

Imagine Elijah, Benjamin, and Rohan are marine biologists studying the survival mechanisms of dolphins in the ocean. Which 3 of the following adaptations do they observe as structural adaptations that help dolphins thrive in their aquatic environment?

• blubber

• flippers, fins, or flukes

• migration to warmer waters

• streamline shape

What factor most significantly contributes to the formation of ocean currents?

• The rotation of the Earth

• Marine wildlife migration patterns

• The salinity of ocean water

• Underwater volcanoes

Tags

NGSS.MS-ESS2-6