Is a pollen grain another term for a microspore? If not, what is another name for a plant's microspores? Tree pollen, as well as the pollen from sedges and grasses, is usually windborne. Explain how the structure of grass and sedge pollen is different from the pollen found in plants ...
What is Pollination - Pollination is the act of transferring pollen grains from the anther (male part) of a flower to the stigma (female part) of a flower, later enabling fertilization and the production of seeds, most often by an animal or by the wind.
Pollinators carry pollen from one plant to another which causes the formation of seeds. These seeds often serve as a direct source of food for humans... Learn more about this topic: Natural & Human Disturbances that Affect an Ecosystem ...
Pollinationis the first required step in sexual reproduction in plants. The male portion of the plant produces the pollen – typically in the flower. A long filament, called a stamen, holds the bits of pollen at the end and one of several pollinators take the pollen grains to the ...
Plant-shaking is trendy, but what does it do for the plant? Houseplant lovers and gardening enthusiasts try this technique to make their plants grow and produce more. While it may seem like an all too convenient internet hack, there is some background logic that warrants giving your plant ...
a蝙蝠是如何帮助仙人掌植物的?。他们传播花粉。 How does the bat help the cactus plant? .They disseminate the pollen.[translate] a高质量的教学要求学校要有合格的老师 The high grade teaching requests the school to have to have qualified teacher[translate] ...
What does self incompatibility provides for a plant ? AMeans of transferring pollen to another plant BMeans of coordinating the fertilization of egg with the development of store before if fertilize the egg cell CA mean of destroying foreign pollen before it fertilizes the egg cell DA biological...
The Dead Horse Arum is also one of a rare group of thermogenic plants. It can raise its own temperature, a handy trick to convince those flies that it really is hot, dead, flesh. How rotten is that? The Corpse Plant does this as well. Incidentally, other plants that are thermogenic in...
2. What does the underlined word “pollen” probably mean? A.疾病B.信息C.花粉D.声音 3. According to the third paragraph, what do we know about the study? A.The results were much less serious than we thought. B.The levels of pollution in their study were similar to “normal road traf...
故选A。(2)词义猜测题。根据第三段pollentotheflowers(花粉到花上)可知,他们必须把花粉转移到花上。故选C。(3)细节理解题。根据第四段Thepeppersarered.Thatmighthelpastronautsfeelbetter.(辣椒是红色的。这可能有助于宇航员感觉更好。)可知,是因为辣椒是红色的,所以宇航员感觉更好。故选A。(4)推理判断题。