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Grade 7 Plant Unit

This puzzle will help you study for your unit exam. All the glossary terms are included.

1       2             3 4 5
         
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12                           13               14
               
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            17  
18     19   20              
               
             
  21                          
             
       
22                
  23 24      
25                  
  26                          
27              
28            

Across
1.a root system that consists of very fine branches. (2 Words)
6.the rudimentary plant usually contained in the seed.
12.A form of asexual reproduction in plants, in which multicellular structures become detached from the parent plant and develop into new individuals that are genetically identical to the parent plant. (2 Words)
15.the stalklike portion of a stamen, supporting the anther
16.the part of a pistil that receives the pollen.
18.a main root descending downward from the radicle and giving off small lateral roots.
21.the transfer of pollen from the anther to the stigma.
22.the pollen-bearing organ of a flower, consisting of the filament and the anther.
25.the ovule-bearing or seed-bearing female organ of a flower, consisting when complete of ovary, style, and stigma.
26.the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
27.the basic physical unit of heredity
28.one of the individual leaves or parts of the calyx of a flower.
Down
1.a very small root or twig
2.the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane.
3.reproduction involving the union of gametes. (2 Words)
4.permeable only to certain small molecules (2 Words)
5.act of diffusing; state of being diffused.
7.an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil. (2 Words)
8.the green coloring matter of leaves and plants, essential to the production of carbohydrates by photosynthesis
9.the intentional mating of two animals in an attempt to produce offspring with desirable characteristics or for the elimination of a trait (2 Words)
10.the more or less conical multiple fruit of the pine, fir, etc., consisting of overlapping or valvate scales bearing naked ovules or seeds
11.to develop into a plant or individual, as a seed, spore, or bulb.
13.the enlarged lower part of the pistil in angiospermous plants, enclosing the ovules or young seeds.
14.the pollen-bearing part of a stamen.
17.the passage of water through a plant from the roots through the vascular system to the atmosphere.
19.the act of respiring; inhalation and exhalation of air; breathing.
20.the plant part that contains the embryo sac and hence the female germ cell, which after fertilization develops into a seed.
23.one of the often colored segments of the corolla of a flower
24.a narrow, usually cylindrical and more or less filiform extension of the pistil, which, when present, bears the stigma at its apex.

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