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Generalized Population Age Structure Diagrams Use the Figure above to answer the following question(s). For the United States, Australia, and Canada, which gender is represented by the largest numbers in the later years of life?
Guard Cells
Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange by opening and closing stomatal pores.
Stomata
Tiny openings or pores often found on the underside of leaves that are involved in gas exchange and transpiration in plants.
Cuticle
A protective and waxy or hard layer covering the epidermis of plants, invertebrates, or other organisms.
Mesophyll
The inner tissue of a leaf, containing many chloroplasts where photosynthesis occurs.
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