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Rainforest Complexity
Rainforest Complexity

... Question:  When  one  part  of  a  natural  system  is  impacted  how  are  other  parts  affected?   Part  1:  Making  connections   Idea  –  In  the  rainforest  plants  convert  the  sun’s  energy  into  life,  insects  eat  the ...
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Lesson 25 From Seed to Plant

... stigma at the top of the pistil of a flower like itself. This is called pollination. Pollination happens in different ways. Often, wind blows pollen from flower to flower. Bees, other insects and hummingbirds help pollinate, too. While they visit flowers for their sweet juice, called nectar, pollen ...
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Plant breeding



Plant breeding is the art and science of changing the traits of plants in order to produce desired characteristics. Plant breeding can be accomplished through many different techniques ranging from simply selecting plants with desirable characteristics for propagation, to more complex molecular techniques (see cultigen and cultivar).Plant breeding has been practiced for thousands of years, since near the beginning of human civilization. It is practiced worldwide by individuals such as gardeners and farmers, or by professional plant breeders employed by organizations such as government institutions, universities, crop-specific industry associations or research centers.International development agencies believe that breeding new crops is important for ensuring food security by developing new varieties that are higher-yielding, resistant to pests and diseases, drought-resistant or regionally adapted to different environments and growing conditions.
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