(redirected from Reproduction (plant))Also found in: Thesaurus, Medical, Legal, Encyclopedia. re·pro·duc·tion (rē′prə-dŭk′shən) n. 1. The act of reproducing or the condition or process of being reproduced. 2. Something reproduced, especially in the faithfulness of its ...
解析 A。解析:在植物的有性生殖中,花粉(pollen)首先落在柱头(stigma)上,然后通过花柱(style)到达子房(ovary),最后到达胚珠(ovule),这是遗传物质传递的正确顺序。选项B顺序完全错误。选项C中花粉的起始位置错误。选项D也是顺序完全错误,不符合植物遗传物质传递的正常途径。
A. The cotton plant B. The water lily C. The banyan tree D. The cedar 相关知识点: 试题来源: 解析 A。解析:本题考查植物种子传播与繁殖。棉花植物的种子附着在像降落伞一样的绒毛上,可以帮助种子飞得很远,利于繁殖。睡莲种子靠水传播,榕树种子靠鸟类等传播,雪松种子靠风力但没有这种降落伞结构,所以B...
A. roots B. stems C. leaves D. flowers 相关知识点: 试题来源: 解析 D。解析:植物学上,花(flowers)对植物的繁殖非常重要。根(roots)主要吸收水分和养分,茎(stems)主要运输和支撑,叶子(leaves)主要进行光合作用,所以A、B、C不符合。语法上都是名词复数形式。
Genetic and ecological constraints to the evolution of virulence and reproduction in a plant pathogen.Hosts and pathogens are engaged in an ongoing evolutionary struggle. In human-managed systems, rapid evolution of pathogen populations can reduce the effectiveness of important control methods such as ...
Fertilization is part of sexual reproduction. Seed dispersal is related to the spread of seeds after sexual reproduction. Cross - pollination is a type of sexual reproduction where pollen from one plant is transferred to the stigma of another plant....
Sexual reproduction ensures diversity, new genes, and a new blueprint. If the bees like it, this color could become dominant in the future, and if they don't, then this plant will become another casualty of natural selection. In either case, the outcome will work to the advantage of the...
20. In biological control programs, the insect natural enemy`s ability to suppress the plant invader may be affected by abiotic factors, such as resource availability, resources-use efficiency that can influence plant growth and reproduction. ...
In the process of plant reproduction, the function of the anther is to _. A. receive pollen B. produce pollen C. protect the ovary D. develop into a fruit 相关知识点: 试题来源: 解析 B。解析:在植物繁殖中,花药(anther)的功能是产生花粉。柱头(stigma)是接收花粉的结构,而不是花药,A错误。
In the plant reproduction, which process is related to the development of a small plant from a seed? A. 成是快成是快Propagation成是快成是快 B. 式计造规边把规按阶认我图几声式计造规边把规按阶认我图几声Germination式计造规边把规按阶认我图几声式计造规边把规按阶认我图几声 C. 完示...