unit 1: the natural world (bird migration)
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17 Terms
1
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breed (v)
to reproduce
2
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diurnal (adj)
active during the day
3
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endure (v)
to live under difficult conditions
4
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evolve (v)
to develop gradually
5
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fascinate (v)
to interest greatly
6
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feat (n)
a difficult act or achievement
7
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fuel (v)
to provide energy
8
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hemisphere (n)
one half of the earth
9
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imperative (n)
a priority
10
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inhabit (v)
to live in
11
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nocturnal (adj)
active at night
12
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observer (n)
a person who watches smth
13
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obscure (v)
to make difficult to see
14
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optimal (adj)
best
15
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windswept (adj)
unprotected from the wind
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evolution (n)
the development of plants, animals,…over many thousands of years
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Note 
Flashcards (30)