source : q-and-answers.com
Which of the following best explains why ecosystems need a continual influx of new energy?
The correct answer would be c. Energy flows through an ecosystem and cannot be recycled.
The flow of energy in any ecosystem is unidirectional that is, energy can not be recycled and is lost after certain period (through food chain) in an ecosystem .
According to the 10% law, only 10% of the energy present at any trophic level is transferred to the next trophic level and rest is lost as heat during the metabolic processes.
It is why no energy is left to transfer after 3-4 trophic levels and thus ecosystem needs the continual influx of new energy.
Usually, the sun is the ultimate source of the energy in any ecosystem.
The Myths and Realities of Business Ecosystems | Follow Us – Ecosystems are attractive partly because of the new possibilities they create for products and services spanning traditional boundaries — often using The essential characteristics of business ecosystems are the following: They are multi-entity, made up of groups of companies not belonging to a single…-why people worry about environmental problems nowadays. People begin to understand that climate changes, acid rains, pollution, deforestation can threaten their lives and the future of the planet.Wave energy can be difficult to harness due to the unpredictability of the ocean and wave direction. Wave farms have been created and are in use in Photovoltaic (PV) Solar power is harnessing the suns energy to produce electricity. One of the fastest growing energy sources, new technologies are…
Монологическое высказывание по теме "Environmental problems…" – Renewable Energy – Energy is the power derived by using chemical or physical resources, and it is the strength and vitality required for sustained mental or Hydroelectric energy is made by flowing water as power plants usually located on large dams control the flow of the water, and as dams block a river…The option that best explains why ecosystems need a continual influx of new energy is C. energy flows through an ecosystem and cannot be According to the 10% law, only 10% of the energy present at any trophic level is transferred to the next trophic level and rest is lost as heat during the…Why is it necessary to save the remaining rain forests? Is the greenhouse effect a dangerous phenomenon? Why are nuclear power stations dangerous? If we want to survive, we must do our best to solve these problems.It is important to join our efforts in the struggle for survival.
Top 10 Renewable Energy Sources – Listverse | Follow – Millions of trees have died in Canada and northern Europe because of acid rain. The acid eats into the stone destroying buildings. Many of the world's oldest and most beautiful buildings are in danger now.Renewable energy is useful energy that is collected from renewable resources, which are naturally replenished on a human timescale, including carbon neutral sources like sunlight, wind, rain, tides…Renewable energy has many applications.Learn about the pros and cons of solar, hydroelectric, oceanic, geothermal, wind, hydrogen and biomass energy. One of the benefits of solar energy is that sunlight is functionally endless.