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Science of Life Explorations: Plant Families
Science of Life Explorations: Plant Families

... There is a lot to learn about plants! If you find they are interesting, you can learn about them all through your life. For now, the most important thing for you to remember is plants are an ESSENTIAL part of the earth’s ecology. Plants make their own food by photosynthesis. We’ve seen an example of ...
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Plant Science Day 1 – Monday (Requirements 1, 2, 3, and 4
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... • Conifers supply much of the wood used for construction of buildings and production of paper. • Many valuable chemicals are extracted from resin, a substance that protects conifers from fungi and insects. • The oldest trees in the world, at 4,500 years old, are bristlecone pines in Nevada. Impressi ...
Chapter 29: Plant Diversity I – How Plants Colonized Land
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... The “Greening” of Earth The fossil record indicates that photosynthetic organisms similar to cyanobacteria were present over 3 billion years ago. Based on geologic evidence, O2 accumulation in the atmosphere due to oxygenic photosynthesis began at least 2.4 billion years ago. (a) Fossilized spores ...
2/26/2015 1 Chapter 29:
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... The “Greening” of Earth The fossil record indicates that photosynthetic organisms similar to cyanobacteria were present over 3 billion years ago. Based on geologic evidence, O2 accumulation in the atmosphere due to oxygenic photosynthesis began at least 2.4 billion years ago. (a) Fossilized spores ...
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Horticulture II

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Land plants, weathering, and Paleozoic climatic evolution
Land plants, weathering, and Paleozoic climatic evolution

... (Montanez et al., 2013). The triggers for this event (called the Late Paleozoic Ice Age, LPIA) are still debated. Based on field observations and laboratory experiments showing that CO2 consumption by rock weathering is enhanced by the presence of plants, the onset of the LPIA has been related to th ...
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Herbal



A herbal is ""a collection of descriptions of plants put together for medicinal purposes."" Expressed more elaborately, it is a book containing the names and descriptions of plants, usually with information on their virtues (properties) – and in particular their medicinal, tonic, culinary, toxic, hallucinatory, aromatic, or magical powers, and the legends associated with them. A herbal may also classify the plants it describes, may give recipes for herbal extracts, tinctures, or potions, and sometimes include mineral and animal medicaments in addition to those obtained from plants. Herbals were often illustrated to assist plant identification.Herbals were among the first literature produced in Ancient Egypt, China, India, and Europe as the medical wisdom of the day accumulated by herbalists, apothecaries and physicians. Herbals were also among the first books to be printed in both China and Europe. In Western Europe herbals flourished for two centuries following the introduction of moveable type (c. 1470–1670).In the late 17th century, the rise of modern chemistry, toxicology and pharmacology reduced the medicinal value of the classical herbal. As reference manuals for botanical study and plant identification herbals were supplanted by Floras – systematic accounts of the plants found growing in a particular region, with scientifically accurate botanical descriptions, classification, and illustrations. Herbals have seen a modest revival in the western world since the last decades of the 20th century, as herbalism and related disciplines (such as homeopathy and aromatherapy) became popular forms of alternative medicine.
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