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A biennial plant is a flowering plant that takes two years to complete its biological lifecycle. In the first year, the plant grows leaves, stems, and roots (vegetative structures), then enters a period of dormancy over the colder months. Usually, the stem remains very short, and the leaves...
A. One is flowering plants and the other is non-flowering plants. B. Spores are so small and light. C. These plants are non-flowering plants. D. About 80 percent of all plants are flowering plants. E. And what plant groups there are?
A plant has beautiful flowers. What stage is it in? A. Growing stage B. Flowering stage C. Fruiting stage D. Seed stage 相关知识点: 试题来源: 解析 B。解析:选项 A 生长阶段一般指植物在发芽后不断长大的时期;选项 B 开花阶段,题目中提到植物有美丽的花朵,所以是开花阶段;选项 C 结果阶段是...
3.According to the professor, what are some features of a flowering plant that can affect how attractive it is to pollinators? [Click on 2 answers.] A. The distance between the plants that have open flowers B. The duration of the plant's flowering cycle ...
Autoflowering marijuana seeds have quickly gained a pretty stellar reputation among growers of all levels of experience with the herb. However, many people still seem to be perplexed about what is an autoflowering cannabis plant exactly. So here we are going to shed some light on the origin of...
Innon-seedplants,whichinclude mossesandferns,thespermrequirefilm ofwateronthegametophyteplantto reachtheegg. ReproductiveStrategies Inseed-plants,which includeallconifers andfloweringplants, sperm reach the egg without using a film of water. This explains why non-seed plants live in wetter habitats than...
There are non-flowering plants than flowering plants around us. A. much fewer B. much more C. much larger D. much hetter)29. Which of the following does NOT come from a plant? A. Basket. B. Bread. C. Cabbage.. D. Stone forest.()30. Which is the best title (题日) of this ...
FLOWERING:Once a plant matures, the flower buds turn into flowers. Flowers are very important in the life cycle of a flowering plant because this is where reproduction occurs. Reproduction in flowers occurs through the process of pollination and fertilization. ...