Why do plants provide bees, butterflies, hummingbirds, and other animals with nectar?Pollination:Pollination occurs when pollen from the male part of a plant is transferred to the female part of the plant. This can occur when a flower pollinates itself, which is called self...
A. Because people enjoy seeing them in nature.B. Because bees need their support to carry pollen.C. Because they can help plants to grow.D. Because they can find food for other animals.What can ordinary people do to help protect monarchs?
So that the leaves of the trees receiving the pollen will not prevent the pollen from reaching the trees’ stigmas C. Because they do not have enough energy to produce new leaves and pollen at the same time D. In order to take advantage of the windiest time of year ...
Why was it so difficult for scientists to recognize how plants reproduce? Why do angiosperms make less pollen than gymnosperms? Why are most crops polyploidy? Why do plants have two photosystems? How do flowering plants grow? What causes fungus on tomato plants? Why is transpiration necessary ...
8.According to paragraph 3, why do most deciduous wind-pollinated trees produce their pollen in the spring? A. To avoid competing with evergreen conifers, which flower in the fall or winter B. So that the leaves of the trees receiving the pollen will not prevent the pollen from reachi...
Back in 1989, NASA conducted aClean Air Studywhose results showed that not only do plants release oxygen and absorb carbon dioxide, but they also absorb other harmful air pollutants such as pollen, mold, ammonia, etc. So this means that the more indoor plants you have, the better the air ...
Plants also have pigments.Color is important for them to live on.The bright colors of flowers catch the attention of insects (昆虫) ,which then carry their pollen (花粉) from one flower to another.Bees can see colors we cannot,and they follow these to the inside of the...
according to the Ecological Society of America's fact sheet on pollination. Bees and hummingbirds pollinate flowers by transferring pollen from one flower to another, thereby ensuring their survival as a species. These animals also need the flowers. For instance, hummingbirds pollinate when they ...
aThese baskets look like yellow clumps stuck to the legs,but they are actually groups of stiff hairs on which honeybees place pollen grains that have stuck to their bodies. 这些篮子看似黄色丛坚持腿,但他们实际上是蜜蜂安置花粉五谷坚持他们的身体的小组僵硬的头发。[translate] ...
Why do all flowers produce pollen, but not all produce nectar? why does a beekeeper keep beehives in crop fields 2 answers below why does a beekeeper keep beehives in crop fields during the flowering period Why did some plants develop with red, purple, and brown leaves?