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Saprophytic nutrition refers to the mode of nutrient acquisition by a group of organisms. These organisms obtain their nutrients by absorbing them directly from dead organisms (decaying organic matter). These species can include bacteria, molds, and fungus and use digestive enzymes to directly digest the dead organism. The mode of nutrition in which organisms feed on dead and decaying matter. Example fungi. In saprotrophic mode of nutrition, the vital nutrients required for their body are collected from dead and decaying matter. The other organisms which are saprotrophic is Rhizopus, Yeast, and Mushroom.
Posted by Sagarika Parida 5 years, 6 months ago
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Sagarika Parida 5 years, 6 months ago
Yogita Ingle 5 years, 6 months ago
The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water.
Posted by Eulanda Bastian 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
The gasses utilised and liberated in photosynthesis are nitrogen, oxygen and carbon dioxide .
The plants obtain Carbon dioxide directly from the atmosphere and liberates oxygen to the atmosphere through the stomata.
But, it obtains nitrogen mainly by three other factors as the atmospheric nitrogen isn't useful to plant and the plants can't take it easily.
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Yogita Ingle 5 years, 6 months ago
Penguins have to keep high body temperatures to remain active. They have thick skin and lots of fat (blubber) under their skin to keep warm in cold weather.
They also huddle together with their friends to keep warm. Emperor penguins have developed a social behaviour that when it gets cold, they huddle together in groups that may comprise several thousand penguins.
The dark coloured feathers of a penguin's back surface absorb heat from the sun, so helping them to warm up too.
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Yogita Ingle 5 years, 6 months ago
Formula to convert Fahrenheit to Celsius
C=(F−32) × 5/9
Formula to convert Celsius to Fahrenheit
F=C × 9/5 + 32
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Yogita Ingle 5 years, 6 months ago
Lichens is a symbiotic relationship between different organisms - a fungus and an alga.They can grow on rocks, decaying wood logs, tree barks etc.
Lichens are used to prepare natural indicator called litmus.
Posted by Swati Sinha 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
No, respiration and breathing are not similar processes. Breathing is a part of respiration in which inhalation and exhalation are carried out. The respiration process, on the other hand, involves the complete oxidation of food molecules to release energy.
Posted by Sandeep Singh 5 years, 6 months ago
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Anjali Bansal 5 years, 6 months ago
Yogita Ingle 5 years, 6 months ago
The different modes of nutrition include:
- Autotrophic nutrition: In the autotrophic mode, organisms use simple inorganic matters like water and carbon dioxide in the presence of light and chlorophyll to synthesize food on their own. In other words, the process of photosynthesis is used to convert light energy into food such as glucose. Such organisms are called autotrophs. Plants, algae, and bacteria (cyanobacteria) are some examples where autotrophic nutrition is observed.
- Heterotrophic nutrition: Every organism is not capable of preparing food on its own. Such organisms depend on others for their nutrition. The organisms which cannot produce food on their own and depend on other sources/organisms are called heterotrophs. This mode of nutrition is known as heterotrophic nutrition.
Posted by Puthannikarth Ramakrishan Shabu 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
Ploughing is the process of breaking, loosening the soil and turning it over for uprooting weeds and aerating the soil.
Advantages of Ploughing are as follows:
- It loosens the soil so that roots of crops can penetrate the soil easily.
- It brings nutrients to the surface thus making the soil fertile.
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