Higher:
解释花的每个部分的作用。
Middle:
在实例中确定花的各个部分。
Lower:
说出花的不同部分。
The Science Behind the Science
Plants tend to reproduce in one of two ways - either by insect pollination or wind dispersal.
Plants which attract insects are often brightly coloured and also have a strong scent. This attracts the insects sensory instincts to pollinate and reproduce the plant.
Much like human reproduction, flowers reproduce sexually through male and female parts of the flower. This can be done between different flowers but also asexually by just one flower. Flowers can not interbreed with one another due to their chemical make-up.
Grade 7 - Growth, Development and Reproduction in Plants
描述和比较植物后代与亲代的异同，如花的颜色，叶的颜色、大小与形状等。描述和比较动物后代与亲代的异同，如毛皮的颜色、躯体的大小、外形和外貌等。
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