Lecture 14 THE BIOSPHERE - PowerPoint PPT Presentation

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Lecture 14 THE BIOSPHERE

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  1. Lecture 14THE BIOSPHERE

  2. Coniferous forests • Prevail in regions in which cold, dry, season alternates with a cool, rainy season. • Conifers • primary producers. • have needle-shaped leaves with thick cuticle and recessed (hidden) stomates. • Dominate boreal forests, montane coniferous forests, temperate rain forests and pine barrens.