Its leaves produce poisonous sand to drive the caterpillar away. 2How do plants defendthemselves?动物遇到敌人可以打斗或是逃之天天,植物无手无脚却也有特殊的防身术。Animals can move from place to place, but plants cannot. When ananimal is
as they help the plants reproduce. Wind and water carry the pollen grains to other plants. Birds and insects are attracted to the color and scent of the flower. As they flit from one flower to another, pollen grains get stuck in their bodies and are then transported to other flowers...
To provide a plant production method capable of controlling a weight of plants to be harvested to a desired range (in specification) even when there is variation of growth (growth speed) of plants in a plant factory or the like.SOLUTION: The plant production method comprises at least: a ...
根据表格第一行第一列“Succulents (肉质植物)”中“Some plants store water in their stems or leaves.(有些植物会在它们的茎或叶子中储存水。)”可知:肉质植物通过它们的茎或叶储存水。因此答案是C。55【答案】B【解析】题干意思是:哪个词是“___”的缺失词”?选项A的意思是:多叶的;选项B的意思是:无...
Why do some organisms reproduce asexually? What part of the flower develops into a seed after fertilization? What is double fertilization in flowering plants? Plants that produce their gametes in flowers are called How did sexual reproduction evolve from asexual reproduction? How does plant biology ...
But some plants have their ways of fighting back. For example, thistles (药), roses and many other plants are covered with sharp spines (刺). When a big animal tries to bite them, it hurts!In late winter, it can be too cold for most flowers to grow. But some plants can produce ...
How do plants maintain turgidity? Why do plants produce psychoactive compounds? How does transpiration work in a plant? How does transpiration help plants? How do plants control transpiration? How does a food chain work? Why does every food chain begin with a plant?
But how do plants “know” when to flower? For years, it has been a difficult question for scientists. But a US research group may have finally answered it—the secret lies in a protein(蛋白质)called FKF1. This helps plants to know when the days become long and when they get short....
Plus, the plants of the dwarf rice (短杆水稻) have grown to around 5 cm. Although there have been other rice experiments in space, the one on Tiangong is different. For the first time in history, the experiment aims to produce the whole life cycle (周期) of the rice. It begins ...
Like all perennials, peonies often take a few years to produce flowers. It could take two to three years for your peony to bloom if you plant a bare root peony. Hint: If you want instant gratification, don’t buy bare root peonies. I bought two-gallon container plants and they bloomed...