Question 18 • Environmental Science (2025-2026)
The duckbilled platypus has venom glands connected to a spur on each male’s hind foot. This is a distinctive physical adaptation that can help males defend themselves or compete with other males. The other choices describe its size, where it lives, or an incorrect reproductive trait: platypuses lay eggs rather than giving birth to live young. Therefore, the best answer is “Males have venom glands on a spur on their hind feet.”
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