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Unformatted text preview: transporting water and nutrients 1. Tracheids as early water-conducting cells in fossil record pits = places w/o secondary cell wall where liquids can pass vessels evolved later perforations = places w/o primary or secondary cell wall 2. Why is vascular tissue important? replace water lost when structural support height = grow How does morphology of non-vascular plants compare to morphology of vascular plants? Which types of plants can grow in drier habitats? C. Gametangia 1. enclose gamete-producing tissue in protected structures 2. sperm to egg; egg is retained and embryo develops inside the nutrients from gametophyte to protection for egg and embryo from D. Pollen 1. What is pollen? Pollen = A male gametophyte encased in a tough coat transported by 2. What is the adaptive significance of pollen? In mosses, horsetails, ferns, etc sperm are dependence on in transit, sperm are...
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