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Answer:
spines
Cacti have spines, which are also called needles or thorns. Spines are modified leaves or leaves that have changed. Spines do not dry out. Spines deter herbivores from consuming this plant.
Explanation:
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Answer: Tunneling underground to offer protection from predators and extreme temperatures.
Explanation: A behavioral adaptation aimed at attracting a mate. A physical adaptation that allows birds to catch prey. Modified leaves that protect a cactus from herbivores.