Question 21 - High School Biology Practice Test for the STAAR test

Ostriches (Struthio camelus) and zebras (Equus quagga) form an unlikely pair to defend against lions (Panthera leo). Ostriches compensate for the zebra’s poor eyesight, and zebras compensate for the ostrich’s poor hearing so they can detect approaching lions. Zebras have a ____ relationship with ostriches and a ____ relationship with lions.

21 zebras

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