Search results
Results from the WOW.Com Content Network
Biodiversity is also important to the security of resources such as water, timber, paper, fiber, and food. [ 175 ] [ 176 ] [ 177 ] As a result, biodiversity loss is a significant risk factor in business development and a threat to long-term economic sustainability.
The diversity of species and genes in ecological communities affects the functioning of these communities. These ecological effects of biodiversity in turn are affected by both climate change through enhanced greenhouse gases, aerosols and loss of land cover [citation needed], and biological diversity, causing a rapid loss of biodiversity and extinctions of species and local populations.
Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea.Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy.
An important source of genetic diversity are crop wild relatives, wild plant species that are genetically related to cultivated crops. A second supporting service is to maintain the habitat of wild biodiversity, particularly associated biodiversity, for example pollinators and predators. Agrobiodiversity can support wild biodiversity through ...
The three-section body plan of the acorn worm is no longer present in the vertebrates, except in the anatomy of the frontal neural tube, later developed into a brain divided into three parts. This means some of the original anatomy of the early chordate ancestors is still present in vertebrates even if it is not always visible.
The Report examined the rate of decline in biodiversity and found that the adverse effects of human activities on the world's species is "unprecedented in human history": [14] one million species, including 40 percent of amphibians, almost a third of reef-building corals, more than a third of marine mammals, and 10 percent of all insects are ...
It is rarely if ever, constructed for all types of organisms if simply because of the prodigious data requirements. It is related but not identical to the species discovery curve. Ecologists have proposed a wide range of factors determining the slope and elevation of the species–area relationship. [2]
The critical role of biodiversity in sustainable development was recognized in a Rio+20 outcome document, “The World We Want: A Future for All”. [ citation needed ] From its creation by the Second Committee of the UN General Assembly in 1993 until 2000, it was held on December 29 to celebrate the day the Convention on Biological Diversity ...