Examlex
Why are large doses of fat-soluble vitamins more likely to cause toxic effects than large intakes of water-soluble vitamins?
Phloem
The vascular tissue in plants responsible for the transport of sugars and other metabolic products downward from the leaves.
Vascular Tissue
Transport tissue in plants, consisting of xylem and phloem.
Evolution of Plants
The evolution of plants describes the processes by which plant species have developed and diversified from ancestral forms over geological time periods.
Embryo
Stage of a multicellular organism that develops from a zygote before it becomes free-living; in seed plants, the embryo is part of the seed.
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