Thursday, December 8, 2016

IR Vocab Set 6

Book: National Geographic
Sentence: In four severely polluted East Coast estuaries, these little striped fish have evolved with genetic mutations that leave them tolerant of normally lethal doses of industrial pollution, according to a study led by University of California, Davis researchers to be published Friday in the journal Science.
Word: Estuaries
Definition: that part of the mouth or lower course of a river in which the river's current meets the sea's tide
Part of Speech: Noun
Synonyms: Arm, Creek and Inlet

Book: National Geographic
Sentence: Killifish, sometimes called mud minnows or mummichog, are abundant in the brackish waterways and marshes along the Atlantic coast.
Word: Mummichog
Definition: a silver and black killifish, Fundulus heteroclitus, found in fresh, brackish, and salt water along the Atlantic coast of the U.S.
Part of Speech: Noun

Book: National Geographic
Sentence: They’re an indicator species—one that is used as a barometer to gauge the health of ecosystems—because they are typically really sensitive to pollution, says lead study author and environmental toxicologist Andrew Whitehead.
Word: Barometer
Definition: any instrument that measures atmospheric pressure
Part of Speech: Noun
Synonyms: Weatherglass

Book: National Geographic
Sentence: “While local adaptation serves an immediate purpose, it’s possible that a loss of genetic variability could make it harder for killifish to cope with future environmental stressors,” 
Word: Stressors
Definition: an activity, event, or other stimulus that causes stress
Part of Speech: Noun
Synonyms: Aggravation, Annoyance and Pain

Book: National Geographic
Sentence: These little sea slug cuties are one of 3000 known species of nudibranchs.
Word: Nudibranchs
Definition: a shell-less, marine snail of the suborder Nudibranchia, having external, often branched respiratory appendages on the back and sides
Part of Speech: Noun

Book: National Geographic
Sentence: A #CuteOff hashtag trending on twitter had scientists vying this week to post the cutest critter picture online. Researchers grouped themselves into taxonomical teams, nominating champions for #TeamMammal, #TeamHerpetology, and more. Even #TeamExtinct made a showing.
Word: Taxonomical
Definition: the science or technique of classification
Part of Speech: Noun

Book: National Geographic
Sentence: Now, new research shows that male and female orchid mantises don't just look different—they evolved in a way never before seen in arthropods, the group that includes spiders and insects. (See pictures of amazing insect camouflage.)
Word: Arthropods
Definition: any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes molting, including the insects, spiders and other arachnids,crustaceans, and myriapodsany invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes molting, including the insects, spiders and other arachnids,crustaceans, and myriapods
Part of Speech: Noun
Synonyms: Ant, Bee and Beetle 

Book: National Geographic
Sentence: “Then, a small group within this lineage started evolving larger females to take advantage of all the pollinating insects that visit flowers,” 
Word: Lineage
Definition: lineal descent from an ancestor; ancestry or extraction
Part of Speech: Noun
Synonyms: Clan, Origin and Birth

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