Are All the Parts of a Tree Alive?
Are All the Parts of a Tree Alive? Actually, most of the wood in the trunk and branches (the heartwood) of a tree is dead. The outer layer of bark is also dead. The...
Read MoreAre All the Parts of a Tree Alive? Actually, most of the wood in the trunk and branches (the heartwood) of a tree is dead. The outer layer of bark is also dead. The...
Read MoreWhy Do Hermit Crabs Live in Discarded Shells? Unlike other crabs, the hermit crab has no hard outer shell to protect its soft body. So it “borrows” the shells of other...
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