百度试题 结果1 题目 Ecosystems are usually composed of the living and nonliving things in an area___ affect one another. A. that B. where C. who D. when 相关知识点: 试题来源: 解析 A. that 反馈 收藏
Ecosystems are composed of biotic and abiotic components and their interactions. Healthy urban ecosystems can provide numerous so-called ecosystem services, which are benefits provided by nature to society and the economy. They are classified into provisioning services, regulating services, cultural ...
Ecosystems are composed of two major components:Bioticorganisms andAbioticfactors. Biotic organisms are living organisms like plants and animals. Abiotic components are the non-living parts of an ecosystem and include environmental factors like sunlight, temperature, water, or soil. Abiotic (non-living)...
Lackofresources,lackofstaff,lackofprofessionalmanagement,underdevelopednetworksandmissiondrift are seen as the most pressing. Although the relevant literature does rightly point out the indispensable support of others, it does so without differentiating between thekinds ofsupport that can help SEsincrease th...
Orchestrators will facilitate overarching ecosystems that are composed of numerous implicit services and will allocate value to participants based on the role they play in the ecosystem. Consumers may be able to choose to pay directly for specific distance-related or transportation type-related services...
Specifically, the multilayer structure is coupled to a dynamical model in which the intra-guild competitive terms are weighted by the abundance of shared mutualistic relations. We find that mutualism does not have the same consequences on the evolution of specialist and generalist species, and that ...
Forest ecosystems are mainly composed of trees, plants, animals, and microorganisms. Forests are a major carbon sink of the world, which helps in maintaining global temperatures. Grassland ecosystems are found in zones where there is insufficient rainfall to support a forest. Due to this, grassland...
4). The results presented in this study hence reveal the uniqueness of MCEs at Egmont Atoll. A change in community composition was observed along the depth gradient (Table S2). Thus, rather than the deeper communities being a subset of the richer shallower communities, they are composed of ...
of a novel ecosystem is a subject of much debate, but in this paper, we define novel ecosystems as self-organised, self-regulated, or ephemeral urban ecosystem in cities that are often transient in nature or in a constant state of flux. Hence, these ecosystems are composed of complex of ...
our results warn of ecosystem-wide changes in the AB, as the modelled trophic level, i.e. pelagic small fish, is at a pivotal position linking primary and secondary producers with the higher trophic levels. Note that Arcto-boreal biomes are composed of relatively few numbers of species thus ...