Match the Term with the Appropriate Phrase

question 31

Multiple Choice

Match the term with the appropriate phrase. You may use each answer once, more than once or not at all.
-hypsographic curve

• A)used to map ocean floor from space
• B)cumulative plot of area versus depth or elevation
• C)measurement of ocean depth and seafloor topography
• D)a method of mapping the topography of the ocean floor along a strip up to 60 km
• E)used echo soundings in 1952 to identify mid-ocean ridge in South Atlantic
• F)used to determine ocean structure beneath the sea floor
• G)uses high frequency sound waves to measure ocean depth

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Definitions:

Human Activities

Actions and endeavors undertaken by humans that impact the environment, including industry, agriculture, and recreation.

Environmental Factors

External elements that influence living organisms, including climate, terrain, water, nutrients, predators, and competitors.

Spicules

Slender skeletal spikes made of calcium carbonate or silica; found in sponges and some other animals.

Amoeboid Cells

Cells that move or feed by forming extensions of their cytoplasm called pseudopodia, typical of amoebas.