- Z -

zip line (n) – An activity, ride, or mode of transportation in which the participant rides—or "zips"— down a long, taut cable that is suspended between two tall poles

Zodiac (n) – Inflatable boat used by the Concordia to get from ship to shore

zonation (n) – The distribution of plants and animals into different geographic zones

zoologist (n) – A scientist who studies animals and how they are classified

zooplankton (n) – Protozoa (single-celled organisms), small crustaceans, jellyfish, worms, and mollusks, together with the eggs and larvae of the many animal species inhabiting marine and fresh waters

zooxanthellae (n) – The symbiotic, microscopic algae that lives within the tissues of the coral polyp, giving the coral its unique color and supplying nutrients

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