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Natural Ecosystem and human activities review
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organisms within an ecosystem that derive their food from producers.
primary consumer
3 benefits of ecotourism on tropical rainforests
education,sustain the wellbeing of the local people, income for local people for accomodation, encourage the local people to conserve the forest ecosystem,
sustainable ways of using tropical rainforest
selective loggings, hydroelectric power stations, agro-forestry, national parks, ecotourism, harvesting fruits
maintaining water cycle and preventing soil erosion are functions of forest, 3 other functions of forest are . . . .
biodiversity and genetic gene pools, food and industrial raw materials, carbon sinks and stores, ecotourism.
2 causes of soil erosion.
deforestation and overgrazing of animals
3 impacts of deforestation.
habitat loss, depletion of biodiversity and gene pool, global warming and climate change, soil erosion, desertification
3 reasons for deforestation.
farming practices, agriculture, urbanization, oil mining, rocks and minerals mining, transportation links
The most important reason for deforestation.
Farming/agriculture
genetic diversity is also called as . . . .
gene pool
Clearing Earth's forests on a massive scale.
Deforestation
The range of species number and variety of living things.
biodiversity
a group of the populations of different species that live in an area and interact with each other
community
all the organisms of one species living in an area
population
organisms within an ecosystem that derive their food from dead organisms
decomposers
organisms within an ecosystem that derive their food from producers
primary consumers
the process that takes place in mitochondria cells where enzyme control the release of energy together with carbon dioxide and water when glucose reacts chemically with oxygen.
respiration
the process of converting carbon dioxide and water by the radiant energy of the Sun into glucose and oxygen.
photosynthesis
sucesion of organism that eat another organism and are, in turn eaten themselves.
food chain
the location within an ecosystem that meets the living needs of particular plant or animal species: the shelter, food, and space they require to survive.
habitat
The community of living animals, plants, and microorganism species in an area and how they interact with each other and with non-living elements of the environment.
ecosystem
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