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| what structures contol the size of the stoma on plants |
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| a dicot is an angiosperm whose embryo has two |
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| plants remove carbon dioxide from the air in a process called |
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| a wet ecosystem formed by large mats of sphagnum moss is called |
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| the life cycle of a fern alternates between a sporophte and a |
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| sori are spore containing structures found on what part of the fern frod? |
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| sugars are transported in vascular plants where? |
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| sperm cells of an angipsperm reach the egg through what female structure? |
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| anther of the flower is supported by the |
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| the petals, sepals and reproductive organs join together at the |
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| the _______ of the flower becomes the seed |
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| the ___________ of a flower becomes the fruit |
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| what has functions similar to roots |
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| what contains a plant embryo a food supply and a protective covering? |
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| the egg and pollen of gymnosperms are found inside reproductive structures called |
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| the most common groups of plants on the earth today are |
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| angiosperms produce seeds in protective structures called |
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| vascular tissue in plants consists mostly of |
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| photosynthesis takes place in |
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| paliside cells and spongy layer cells |
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| oxygen and carbon dioxide can travel into and out of a leaf through |
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| pollen grains are produced by |
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| essential organs of a flower are |
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| some plants like onions and tulips reproduce by using heir |
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| the job of the _______ in leaf is to provide a waterproof barrier and prevent insects from eating the leaves |
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| an organism that derives its energy from the oxidation of inorganic compunds such as hydrogen sulfide |
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| tissue that makesup the bulk of a young plant filling the space |
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| a lateral meristem that produces secondary growth, increasing the diameter of stems and roots |
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| a group of plant growth regulators promote growth by lengthening cells rather then increasing the number of cells |
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| a group of plant growth regulators that promote cell division stem and root growth, chlorophyll sythesis and chloroplast development |
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| growth toward or away from a source of light |
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| embryonic plant tissue in the tops of roots that supplies cells for growth in length |
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| the tough protective outer covering of a seed |
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| incorparates carbon dioxide in sugars during photosynthesis suses chemical energy previously converted from light energy |
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| a portion of vascular the vascular system in plants consisiting of living cells arranged into elongated tubes that transport sugar and other inorganic nutrients througout the plant |
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