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21stcentury 3 unit 6
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Reefs are i__________ to ocean health.
instrumental
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If something is easily broken or harmed it is _______
fragile
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If conditions are right a coral reef grown to become part of a m______ extended family
massive
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The line where the ocean appears to meet the sky
horizon
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The ocean is so ____ that it covers over 70% of the Earth's surface.
vast
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The coral reef was so p_________ that the divers were left in awe of its beauty.
phenomenal
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The areas in which animals and plants normally live
habitat
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To grow very well, to develop or to succeed vigorously
To thrive
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If something is certain and does not change easily, we can say it is ______
stable
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What word describes someone or something that deserves respect, attention or recognition? w_____
worthy
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Coral reefs ____ _ crucial ____ in supporting marine life by providing habitats for a diverse range of species.
play a role
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A flow of something, such as water or electricity
current
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To c______ means to love and protect something deeply, like memories or special places
cherish
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What word describes something with a detailed or uneven surface?
textured
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A "critter" is an informal word which means: a living creature / a treasure
a living creature
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Coral polyps release a chemical called calcium carbonate, which c______ polyps together forming a coral reef.
cements
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If you put something under water, you ________ it.
submerge
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If something is extremely valuable and well loved it is ________
precious
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To officially assign or name something for a particular purpose: d________
designate
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Large coral reefs provide a natural b______ between the ocean and the coast.
barrier
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Coral are fragile animals affected / effected by pollution and changes in water temperature.
affected
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