The cactus never got angry and even tried to say, "God did not create any form of life without a purpose."Spring passed, and the weather became very hot. As there was no rain, the red rose began to wilt (枯萎). One day the rose saw birds put their beaks (喙) into the cactus a...
Cactus, flowering plant family comprising 139 genera and nearly 2,000 species, all of which are native to the New World with one possible exception. Most cacti feature thick photosynthetic stems and leaves that are modified as spines. Learn more about th
The 2,000 species of cacti are known for living in extremely dry climates, such as the American Southwest. Cacti are excellent at conserving water. Their leaves are sharp spines, which have been known to cause great pain to animals interested in eating them. The spines also help the plant ...
It can provide a new kind of sustainable fuel( 可持续燃料).Nopalimex,a company in Mexico,has made one of the world's first cactus powered factories.The idea came to Sosa in Nopalimex when he was looking for ways to save money for his food factory.He now powers his factory with cactus...
As resident species, the pair maintains a small territory where the nest will be built. During the breeding season, competition for food between different species is often intense. In this case, the different bill sizes allow the birds to feed different seeds when they co-inhabit the same is...
(Cactaceae), a family of dicotyledonous perennial plants usually having thickened, succulent, fleshy stems covered with spines, hairs, or bristles. Cacti may be treelike, shrubby, or vinelike; some, such as those of Pereskioideae are small trees. The stem may be spherical, ovoid, cylindrical...
Last, after making gas from prickly pears and manure, their byproducts (副产品) can be used to help grow food. Scientists still need to do more research on making and using prickly pear gas. As projects like Nopalimex show, we have the possibility to produce more sustainable fuel to ...
Herbivorous insects exploit not only the main primary metabolites of plants as nutrients but also many further chemical constituents which have a rich stru... AD Muir 被引量: 48发表: 2003年 Medicinal Food: The Chinese Perspective Medicinal food has a long history of use in China and is based...
One day, a heavy rain falls. It makes the seed sprout. The small seed then sends out tiny roots. The roots go down into the earth. A new cactus begins to grow. The growing cactus needs food. Its food is in the seed. The seed feeds the cactus as it grows. The cactus sends out...
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