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, which are called angiosperms, are those plants that produce flowers as their reproductive structures. Flowers contain the female gametes for the plants, which are called ovules, and the male gametes, which originate from pollen....
Flowering plants are called angiosperms. There are over 295 thousand known species of angiosperms in the world. Some examples of flowering plants are tomatoes, sunflowers, roses and dandelions.Answer and Explanation: Flowering plants reproduce by producing seeds. The seeds are stored in the ovary of...
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...
Over time, the female parts turn into fruits that contain seeds. Animals often eat the fruits and the seeds pass through their bodies as waste. The animals do not know they are working for the plants by planting seeds as they travel to different places!
The animals do no know they are working for the plants by planting seeds as they travel to different places!Useful words and Expressions:1. flowering 开花的2. pollen 花粉3. powdery 粉状的4. sugar 含糖的,甜的5. nectar花蜜,甘露6. rub 磨擦...
Evolution of the Flowering PlantsAccording to paragraph 4, researchers believe which of the following about angiosperms during the Early Cretaceous?如果对题目有疑问，欢迎来提出你的问题，热心的小伙伴会帮你解答。
We found out that the preferred plants for most bumblebee species are perennial and native plants, with violet/pink flowers with papilionaceous or bilabiate structure. We suggest that such plant species should be planted in ubran spaces in order to actively protect bumblebees. Moreover, it ...
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...
What’s the researchers’ main concern regarding the growth of flowering plants in Antarctica?⏢ 相关知识点: 试题来源: 解析 入侵物种威胁本地生态系统 研究人员关注南极洲开花植物(如南极发草)因气候变暖加速生长。南极生态系统脆弱,原有物种适应极端环境,新植物可能通过竞争资源或改变土壤条件排挤本地物种。