Search results
20 hours ago · A paleontologist at work at John Day Fossil asses National Monument. Paleontology (/ ˌ p eɪ l i ɒ n ˈ t ɒ l ə dʒ i, ˌ p æ l i-,-ən-/ PAY-lee-on-TOL-ə-jee, PAL-ee-, -ən-), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present).
20 hours ago · News More Swiss study sheds light on how heat affects photosynthesis . This content was published on May 20, 2024 Research has shown how the capacity of trees to carry out photosynthesis is ...
20 hours ago · In biology, abiogenesis (from Ancient Greek ἀ- (a-) 'not', βῐ́ος (bíos) 'life', and γένεσις (génesis) 'origin'), or the origin of life, is the natural process by which life has arisen from non-living matter, such as simple organic compounds. The prevailing scientific hypothesis is that the transition from non-living to living ...
20 hours ago · 根据第二段中的“Seagrass builds its leaves and roots using carbon,which it extracts from water through the process of photosynthesis(光合作用)—and it holds on to it,even after death.(海草利用碳来茁壮叶 子和根，碳是通过光合作用从水中 extract 出的——并且即使在它死后，它也能抓住碳。
20 hours ago · Food rationing was introduced at the start of 1940. It did not completely end until July 1954. The government tried to encourage people to grow their own food in victory gardens, and householders were encouraged to keep rabbits and chickens for the table. There were 1.5 million allotments by 1943. Potatoes became "the food of the war".
- Year
