For example, one theory is that dinosaurs were allergic to flower pollen — flowering plants and bees evolved together during the late Cretaceous period. However, flowering plants existed for millions of years before the dinosaurs died out. Another theory is that mammals, which began to proliferate...
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Pollination is the movement of pollen grains from the anther to the stigma of the same or a different flower. A zygote is formed when the male and female gametes fuse. Cell division changes the zygote into an embryo, which grows to become a seed, and the ovary develops into a fruit. Th...
Before a fruit can be formed, the flowers must bloom so the male and female parts can develop and produce pollen and receptive ovules. Within the flower, the stamens produce pollen, while the female ovules form inside a pistil. In most cases, the male stamens and female pistil occur withi...
Cannabis plants can be male, female or hermaphrodite. Female plants are the producers of buds, which is the part of the plant richest in THC. It is es
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Tea is the staple crop here.本地产品以茶叶为大宗。 Potatoes are the staple of their diet.土豆是他们的主要食品。 6cuisines n.烹饪( cuisine的名词复数 );菜肴;(通常指昂贵的饭店中的)饭菜;烹饪艺术 参考例句: Could you tell me the different features of these cuisines? 能不能告诉我这些不同的烹...
Cannabis starts making flowers or pollen Pollination Female plants make seeds Cannabis dies for winter Repeat – Everything starts over again for the next generation Why is this important? Cannabis plants go from seed to death in just one year, and they have a certain order for their life stag...
Cross-pollination:If the pollen grain of an anther falls on the stigma of a flower of another plant but of the same species, this is called cross-pollination. Pollinators:Birds, insects, animals, water, and wind are all called “agents of pollination”, as they help the plants reproduce....
aPrepare some medicines in common use, such as berberine, Biwendan, antiphlogistic drug etc. one who has a medical history of anaphylaxi must prevent the pollen allergy. 准备一些医学在共同的使用,例如berberine、Biwendan,消炎的药物等。 一谁有anaphylaxi的病史必须防止花粉过敏。[translate] ...