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Há 5 dias · The history of botany examines the human effort to understand life on Earth by tracing the historical development of the discipline of botany —that part of natural science dealing with organisms traditionally treated as plants. Rudimentary botanical science began with empirically based plant lore passed from generation to generation in the ...
19 de abr. de 2024 · Plant, any multicellular, eukaryotic, usually photosynthetic life-form in the kingdom Plantae. There are an estimated 390,900 different species of plants known to science. Learn more about the plant kingdom, including the life and evolutionary histories and physical characteristics of the major plant groups.
2 de mai. de 2024 · Evolutionary history of plants. A late Silurian sporangium, artificially colored. Green: A spore tetrad. Blue: A spore bearing a trilete mark – the Y -shaped scar. The spores are about 30–35 μm across. The evolution of plants has resulted in a wide range of complexity, from the earliest algal mats of unicellular archaeplastids evolved ...
29 de abr. de 2024 · However, since the mid-20th century, plant anatomy has been regarded as a separate branch of plant morphology, referring solely to studying the plant’s internal structure, including plant histology and cytology. Whichever division it best fits into, plant anatomy is one of the oldest disciplines in botanical science.
7 de mai. de 2024 · All are plants of humid climates and their existence at this time on the semi-arid Santa Elena peninsula may be evidence that they were transplanted there from more humid environments. [106] [107] In another study, this area of South America was identified as one of the four oldest places of origin for agriculture, along with the Fertile Crescent, China, and Mesoamerica, dated between 6200 BC ...
19 de abr. de 2024 · Tomato, flowering plant of the nightshade family, cultivated extensively for its edible fruits. The fruits are commonly eaten raw, served as a cooked vegetable, used as an ingredient of prepared dishes, pickled, or processed. Learn more about the plant, its cultivation, and its history of domestication.
6 de mai. de 2024 · The dwarf papyrus ( C. isocladus, also given as C. papyrus ‘Nanus’), up to 60 cm tall, is sometimes potted and grown indoors. This papyrus, one of many ancient Egyptian medical writings, included a prescription for asthma. This was written in hieratic text, c. 1550 bce. The ancient Egyptians used the stem of the papyrus plant to make sails ...
