plant anatomyAsk the Chatbot a Question Learn about this topic in these articles: angiosperm fertilization In angiosperm: Pollination The pollen tube ultimately enters an ovule through the micropyle and penetrates one of the sterile cells on either side of the egg (synergids). These synergids ...
plant reproductive body Ask the Chatbot a Question More Actions Print Cite Share Feedback External Websites Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience...
Plant biology, mainly plant anatomy, is a less attractive area for students at high school and university, but not much research has been devoted to improve this field. We therefore researched into the teaching of root, stem and leaf anatomy combined with the preparation of native microscopic sl...
Inside Roses:A personal investigation into the anatomy and physiology of the roseImagine that you are a plant, it is winter and you are dormant. Now, let's say in late December the weather turns warm for two or three weeks — a little mid-winter warm spell, if you will. If you ...
The deputy sheriff rose hastily, and angrily, and drew one foot back to plant a kick on the first part of boyish anatomy that he could reach, when the judge, robes and all, stooped down, grasped each boy by the neck, and placed him on his feet. Still retaining his hold, he looked...
sources and store a large amount of food to assist the plant in withstanding drought and other environmental conditions. Additionally, the plant’s taproot firmly secures it in the soil. Examples of taproot systems include mustard, beetroot, carrot, china rose, parsley, china rose, and ...
Single stem rose plants (Rosa hybrida L. 'Rote Rose') were grown in separate growth chambers with combinations of two PAR conditions (407 μmol m-2s-1 and 143 μmol m-2s-1) and three NT conditions (10°C, 14°C, and 18°C). While PAR mainly......
RH Brown,PW Hattersley - 《Plant Physiology》 被引量: 242发表: 1990年 The mechanical design of grass Grass can be modelled satisfactorily as an orientated fibrous composite. The fibres account for 90 to 95 % of the longitudinal stiffness. The grass leaf shows little or no notch sensitivity to...
The marijuana plant is a complex one, and it contains many different parts, such as the node, stalk, stem, fan leaf, seed, flower, pistils, calyx, cola, sugar leaf, trichomes, terpenes, and cannabinoids. Below is a brief description of each of these parts. Node: The joint in which ...
Many have dry fruits (follicles) that split open at maturity to release the seeds for dispersal; follicles come from one simple carpel. Some dry fruits in the family do not open at maturity, examples being the achenes of some members of the rose subfamily. Fleshy fruits are… ...