Life exhibits diverse forms and functions essential for survival from "summary" of Biology Class- XI - SBPD Publications by Dr. O.P. Saxena, ,Dr. Sunita Bhagia, ,Megha Bansal
The biological world is characterized by a remarkable array of organisms, each exhibiting unique structures and functions tailored to their environments. This diversity arises from evolutionary adaptations that enhance survival and reproduction. Organisms, ranging from simple unicellular life forms to complex multicellular entities, showcase varied anatomical and physiological traits. These adaptations enable them to thrive in diverse habitats, such as extreme deserts, lush forests, and deep oceans.
Cellular organization forms the foundational aspect of life. Prokaryotic cells, with their simple structures, excel in rapid reproduction and adaptability. In contrast, eukaryotic cells, which are more complex, allow for specialization and the formation of intricate tissues and organs. This specialization leads to the emergence of diverse life forms, each with distinct roles in ecosystems.
Metabolic processes further illustrate the manifold ways life sustains itself. Autotrophs, such as plants, harness sunlight for photo...
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