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Biology Project Crossword

Teacher: Caroline
Across
A reference tool where a series of choices between alternative characters leads progressively to the identification of the species.
a system of interlocking and interdependent food chains.
the variety of life in the world or in a particular habitat or ecosystem.
Down
the action or process of classifying something according to shared qualities or characteristics.
Any of various other flesh-eating animals.
a series of events that are regularly repeated in the same order.