Browse the glossary using this index
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| conservationnoun  the preservation and careful management of the environment and of natural resources | 
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| dronenoun  an aircraft without a pilot and operated by remote control | 
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| echolocationnoun  determining the location of something by measuring the time it takes for an echo to return from it | 
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| fascinatingadj Something fascinating really captures your interest: you can't take your eyes off it or can't wait to learn more about it.
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| institutenoun  An institute is an organization or association designed to study or promote something
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| mammalnoun  any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk | 
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| marineadjective  of or relating to the sea | 
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| odornoun  An odor is anything you can smell — like a scent or an aroma
 * also spelled odour  | 
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| propagateverb  become distributed or widespread | 
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| rescueverb When you rescue something, you save it from something bad 
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