Deer in the forest mainly feed on plants, so they are ___. A. producers B. decomposers C. consumers D. parasites 相关知识点: 试题来源: 解析 C。解析:鹿在森林中主要以植物为食,所以它们是消费者(consumers)。选项A生产者能自己制造食物,鹿不能。选项B分解者是分解生物遗体等的生物,鹿不是。...
Forest Policy and EconomicsDai Y, Chang HH, Liu W (2016) Do forest producers benefit from the forest disaster insurance program? Empirical evidence in Fujian Province of China. For Policy Econ 50:127-133.Dai, Y., Chang, H.-H., Liu, W., 2015. Do forest producers benefit from the ...
The producers of an ecosystem are those components that make other life possible. They support animal life using nutrients from the soil and water, along with sunlight, to create the most basic form of energy. As in other biomes, the producers of the tropical rainforest are plants; because o...
Learn about rainforest producers and consumers and the roles they play in the environment. Discover specific examples of tropical rainforest...
The guild's board of directors voted unanimously to expel Weinstein on Oct. 16, but according to the group's regulation, the disgraced producer has 15 days to appeal, so Monday is the time that he was officially deprived of membership. ...
A review of the production of ethanol from softwood Ethanol produced from various lignocellulosic materials such as wood, agricultural and forest residues has the potential to be a valuable substitute for, o... M.,GalbeG.,Zacchi - 《Appl Microbiol Biotechnol》 被引量: 1658发表: 2002年 ...
Producers are the base or first level in all food chains. There are many more producers in a food chain than consumers or decomposers because only 10% of the energy from each energy level is passed on to the next energy level.What is a Consumer in an Ecosystem? What is a Decomposer in...
Maple syrup is an important non-timber forest product derived from the sap of the sugar maple (Acer saccharum Marshall). However, maple syrup producers are facing a diversity of challenges, including: potential range shifts in the maple resource; increasing variability in the timing, duration and...
This research introduces a nonparametric approach, called data envelopment analysis (DEA), to productive efficiency evaluation in the forest products industry using mill-level data from the linerboard sector. The results show that the sector features constant returns to scale. Further, most of the mi...
rather than knowing from Day 1 where this thing will end up. I have a feeling the show’s going to play with all the different pairings all the way through, and because I see arguments for all of them working, I figure the best thing to do is to just sit back and see how it all...