Final answer:
Trees protect themselves after losing leaves through dormancy, redirection of resources, and protective bark.
Step-by-step explanation:
A tree protects itself after losing its leaves through a process called dormancy. Dormancy is a way for trees to conserve energy during periods of environmental stress, such as winter or dry seasons. When a tree enters dormancy, it slows down its metabolic activities and reduces water loss by shedding its leaves. This helps the tree survive by redirecting its limited resources towards its roots and essential functions. Additionally, the tree's bark and outer layers provide a protective barrier against insects, diseases, and other external threats.
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