Fill In the Blanks

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In the text below some words are missing. Drag words from the box below to the appropriate place in the text. To undo an answer choice, drag the word back to the box below the text.
Zebras

Zebras in the open African savanna had many more predators to worry about, so natural selection has them into very reactive animals that are ready to at the slightest sign of danger. Also zebras have no family structure and no hierarchy, so despite their horse-like appearance, zebras won’t easily to humans.

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