2024年12月英语四级听力原文:Flowering Plants What are the parts of a flower? Flowers can have male parts and female parts. The female parts make eggs that become seeds. The male parts make pollen. Pollen is a powdery material that is needed by the eggs to make seeds. To make seeds, poll...
Flowering plants,or angiosperms(被子植物),make up about 90% of all living plant species,including most food crops.In the distant past,they developed quicker than plants such as conifers and ferns,but how they did this has been a mystery.New research suggests that it is due to genome(基因组...
Flowering Plants: Flowering plants are also called angiosperms and include a diverse array plant life that produce flowers of many shapes, sizes and colours. A flowering plant is distinct from a non-flowering plant, which includes ferns, mosses, conifers and lichens. ...
The meaning of FLOWERING PLANT is any of a class (Angiospermae) of vascular plants that have male and female reproductive structures enclosed in a flower, that have seeds which arise from ovules contained in the ovaries, and that produce dry or fleshy fr
根据第一段的“Flowering plants,or angio-sperms(被子植物), make up about 90% of all living plant spe-cies, including most food crops”以及第二段的“They quicklyspread to all parts of the world, changing the landscape from greento a variety of colours"可知,被子植物分布很广,在地球上占绝对...
结果1 题目 ()2. What are the two kinds of plants? A. Flowering plants and fruits B. Non-flowering plants and fruits C. Threes and vegetables D. Flowering plants and non-flowering plants 相关知识点: 试题来源: 解析 2.D 反馈 收藏 ...
1.问题"What can make food from air,water and sunlight?"(什么能够利用空气、水和阳光制造食物?)根据文中 "plants can make food from air,water and sunlight".可知植物能够利用空气、水和阳光制造食物. 故答案为plants.2.问题"How can m
O Despite their traditional names, the flowering of what are called long day and short day plants actually depends on the length of continuous darkness rather than on day length. 4. According to paragraph 3, why is spinach considered a short night plant?
The term “angiosperm” comes from the Greek words “angeion” which meanscaseand “sperma” which meansseed.Flowering plantsare said to have evolved at least 200 million years ago. The first fossils of flowering plants which were found are said to be around 125 million years old. ...
Flowering PlantsWhat are the parts of a flower?Flowers can have male parts and female parts. The female parts make eggs that become seeds. The male parts make pollen. Pollen is a powdery material that is needed by the eggs to make seeds. To make seeds, pollen and eggs must come together...