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Underneath each leaf, in the epidermal tissue, there are small openings called stomata. Surrounding each stomata are guard cells that regulate the opening and closing of the stomata. The stomata allow ...

It’s commonly believed that the counting tree ringsreveals the age (in years) of the tree itself. But countingtree rings may reveal more than just the age of a tree. This project aims to discover new ...

Student will compare the tree leaf size and shape based on the leaf’s position in the tree.Why does transpiration occur? Why can too much light and heat cause a for trees with excess transpiration? H ...