Seeds are like baby plants. They have ahard outer shel that protects the seed embryo inside. Germination-The seed ends up on the ground. It needs air, water, and soil togrow. When a seed begins to grow, this is called germination. Thefirst growthwill usually be some small roots Then ...
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...
Seeds are like baby plants. They have a hard outer shell that protects the seed embryo inside. ● Germination-The seed ends up on the ground. It needs air, water, and soil to grow. When a seed begins to grow, this is called germination. The first growth will usually be some small ...
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 quickly spread to all parts of the world, changing the landscape from green to a variety of colours”可知,被子植物分布很广,在地球...
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...
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 place...
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. sugary 含糖的,甜的5. nectar花蜜,甘露6. rub 磨擦...
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 no know they are working for the plants by planting seeds as they travel to different places!
In truth, long-day plants should be called short-night plants, and short-day plants are really long-night plants. 7 ►In the late 1930s it became clear that plants do not measure the length of the day but of the night. If the light is turned on even briefly during the night – ...
根据第一段Plantsareknowntorespondtoseasonalchangesbybudding(发芽),leafing,andflowering.Asclimatechangestandstoshifttheseso-calledphenological(物候的)stagesinthelifecycleofplants,accesstodataaboutphenologicalchanges—frommanydifferentlocationsandindifferentplants—canbeusedtodrawconclusionsabouttheactualconsequencesof...