This phenomenon is what we would call a positive feedback loop. Climate change is caused by increasing concentrations of greenhouse gas in the atmosphere, primarily carbon dioxide. Climate change is causing an increase in air temperature, which will increase the ocean water temperature. Warmer ocean water results in less carbon dioxide dissolving from out of the atmosphere into the ocean water. This in turn means that more carbon dioxide remains in the atmosphere, which increases global warming, which increases the temperature of the ocean, and so on. These sorts of positive feedback loops are regarded by scientists as highly problematic, as they may cause much more rapid change than predicted if the feedback loops are not identified. Another similar feedback loop is that of permafrost. Permafrost is permanently frozen soil that is found near the poles. This soil contains stored carbon in the form of ancient organic matter. As these soils defrost because of climate change, they release carbon to the atmosphere, which in turn speeds up climate change. An ironic positive feedback loop is the melting of ice at the North Pole because of climate change. This melting is opening up the north pole for increased oil exploration. The harvesting of oil from the North Pole will obviously result in the consumption of fossil fuels and increased climate change.
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fossils provide solid evidence that organisms from the past are not the same as found today.
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In multicellular organisms, cells are grouped to form tissues. These tissues are specialized to carry out a particular function at a definite place in the body.
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Brown rot fungi that produce hydrogen peroxide which attacks cellulose.
Soft rot fungi that produce an enzyme called cellulase which digests cellulose.
White rot fungi that produce enzymes capable of digesting lignin.
Phycomycetes (Algal fungi)
Ascomycetes (Sac fungi)
Basidiomycetes (Club fungi)
Deuteromycetes (imperfect fungi)
here are present different types of fungi. These fungi are classified based on their morphological structure of the mycelium spore formation, fruiting bodies and mode of life cycles. The fungi are divided into five phyla such as: Chytridiomycota, Zygomycota, Glomeromycota, Ascomycota, and Basidiomycota
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