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26 Cards in this Set
- Front
- Back
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What do vascular plants have that nonvascular plants don't have?
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tubes (xylem and phloem) to transport food and water.
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Which vascular tissue transports water?
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xylem
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Which vascular tissue transports food?
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phloem
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Which direction does water move in a plant?
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From roots upward.
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What direction does food move in a plant?
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From leaves downward.
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What part of a leaf lets gases in and out?
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stomata
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What are the ancient ancestors to all plants?
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green algae
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Where must nonvascular plants live?
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In moist places because they can't hold and transports water.
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Which plants (vascular or nonvasculr) can grow very tall?
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Vascular because the vascular tissue supports them and holds them up.
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Which stage of a plants life cycle makes sperm and egg?
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gametophyte
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Which stage of a plants life makes spores?
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sporophyte
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Mosses are _________ plants.
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nonvascular
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How are mosses anchored to the ground?
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using rhizoids (little hairlike structures)
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Ferns, horsetails and clubmosses are _____ plants
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vascular
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A fern is a seedless vascular plant, so how does it reproduce?
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using spores
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What do we call the part of a plant that have cells that later become sperm?
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pollen
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What are the three parts to a seed?
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food, embryo and cotyledon(seed leaf)
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Scattering of seeds is called seed _________________.
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dispersal
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Name 4 ways plants disperse their seeds.
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wind, water, pressure, stick in animals fur
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When a seed starts to sprout, we say it has ______.
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germinated
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What are the 3 jobs of roots?
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anchor the plant, absorb water, and store food
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What are the 3 jobs of stems?
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holds leaves up to sunlight,
transport food and water, store food |
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What are the 2 jobs of leaves?
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make food (photosynthesis) and exchange gases.
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The waxy covering on a leaf to prevent evaporation is called _________________
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a cuticle
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Where does photosynthesis go on in a leaf?
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in the chloroplasts
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Evaporation of water through a leaf is called ________
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transpiration
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