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(1)种子是植物的繁殖器官,在植物的生存竞争中起着至关重要的作用。它们高效地利用自身的生理特点和周围环境资源,完成传宗接代的重任。(2)从形态上来说,种子可以简单地分为大种子和小种子。世界上最大的种子是巨籽棕的种子。目前发现最大的巨籽棕种子有17.6公斤重,堪称“世界之最”。然而,世界上还有微若尘埃的种子。世界上最小的种子——热带雨林中附生兰的种子,一粒的重量仅有一盎司(1
(1) Seeds are plant reproductive organs and play a crucial role in the competition of plants. They efficiently use their own physiological characteristics and resources around the environment to complete the mission of the family line. (2) Morphologically, seeds can be simply divided into large seeds and small seeds. The largest seed in the world is the seed of giant seed brown. It is found that the largest giant seed of brown seeds is 17.6 kg, called “the best in the world”. However, there are tiny seeds of dust in the world. The smallest seed in the world - the epiphytes of the tropical rainforest, weighing only one ounce