Question

The barks of trees are hard and tough​

Answer 1

Answer:

Tree bark is a defence against herbivores, insects and parasitic plants. The smooth bark of a beech tree makes it hard for insects and ivy to gain a foothold, but to keep the surface smooth, the tree must grow its bark quite slowly. ... But the rapid growth causes the bark to wrinkle and crack and this harbours insects

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Answer 2

:Answer:

Tree bark is a defence against herbivores, insects and parasitic plants. The smooth bark of a beech tree makes it hard for insects and ivy to gain a foothold, but to keep the surface smooth, the tree must grow its bark quite slowly. ... But the rapid growth causes the bark to wrinkle and crack slowly.

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