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冬天来了,天好冷啊!蒙蒙把山楂的种子种在花盆里,这都好几天过去了,没有一丁点儿动静。记得妈妈说过,有些动物,比如熊、蝙蝠、刺猬、青蛙、蛇会冬眠,一睡睡好久,等到来年天气转暖了才会醒过来。是不是种子也会冬眠呢?什么是种子的休眠?我们把种子睡大觉叫做休眠。绝大多数植物的种子离开植物妈妈后,虽然获得适宜的环境条件仍不能萌发,这是种子的一种特性。也有些植物的种子虽已和植物妈妈分离,从形态上也成熟了,但身体里还没有发育成熟,看上去它
Winter is coming, the weather is cold! Mengmeng hawthorn seeds planted in pots, which are days later, not a little bit of movement. I remember my mother said that some animals, such as bears, bats, hedgehogs, frogs and snakes, will sleep for a long time and will not wake up till the coming year. Will the seeds hibernate? What is the dormancy of the seeds? We call the seeds to sleep. The vast majority of plant seeds leave the plant mother, although access to appropriate environmental conditions still can not germination, which is a characteristic of the seed. Although some plant seeds have separated from the mother plant, they have also matured in shape, but they are still not mature in their body. It seems that it