Banksia trees in Australia, for instance, only release their seeds in the heat of a wildfire. ”(例如,澳大利亚的 Banksia 树只有在野火的高温下才会释放它们的种子)可知,选项承接上文继续说明野火与树生长之间的关系。故 B 选项“如果这些树要长出更多的树,它们就需要火”切题。故选 B 项。 (5)题详解...
Trees structure the Earth’s most biodiverse ecosystem, tropical forests. The vast number of tree species presents a formidable challenge to understanding these forests, including their response to environmental change, as very little is known about most
aWildfires are common in many places around the world, including farmland areas of Australia and forest areas or the U.S. and Canada, where the climates are sufficiently moist to allow the growth of trees, but feature extended dry, hot periods when fallen branches, leaves, and other material...
Google Share on Facebook raven (redirected fromcommon ravens) Thesaurus Encyclopedia ra·ven1 (rā′vən) n. 1.A large bird(Corvus corax)of the Northern Hemisphere, having black plumage and a croaking cry. 2.Any of several similar birds of the genusCorvus,found in Africa, Australia, and...
Conclusively, there are multiple common species found in Asia and Australia. Each bird has its distinctive habits; however, all of them are directly or indirectly linked to nature, specifically including trees and vegetation. There is much to explore out there and it is necessary to be aware ...
They are found in habitats ranging from humid forest to arid savanna, as well as in suburban areas with tall trees or near running water. Four species of Kookaburras are found in Australia. Rufous-bellied kookaburra, Spangled kookaburra, Blue-winged kookaburra and Laughing kookaburra. Laughing Koo...
1.any of various trees of the genusFraxinus,of the olive family, esp.F. excelsior,of Europe and Asia, orF. americana,of North America, having opposite, pinnate leaves and purplish flowers in small clusters. 2.the tough, straight-grained wood of any of these trees. ...
Ravens. The nest is enormous, filled with sticks, branches, wool, rags, roots, and moss. They are held together with mud and dung. The nests are usually built in high trees or on cliffs, but some have been seen on old buildings or in low bushes or on the ground in rural, open ...
The developed parametric models may be adaptable to various tree management systems.Trees CO2and PM removal widely compensates their management environmental burdens.For any investigated city, LCA results mostly depends on trees number and species.Broadleaves showed a better potential environmental performan...
Mangrove forests are an integral part of tropical coastal ecosystems, particularly in northern Australia. In the Northern Territory, studies have determined the extent and species diversity of these associations but little is known of biomass or productivity. We sampled the above- and below-ground bio...