Question
Download Solution PDFThe mode of nutrition in which organisms take in nutrients from dead and decaying matter is called ______ nutrition.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Saprotropic.
Key Points
- Saprotrophic nutrition is the mode of nutrition in which organisms obtain nutrients by decomposing dead and decaying organic matter.
- Saprotrophs, also known as decomposers, secrete digestive enzymes to break down complex organic compounds into simpler substances.
- They absorb the nutrients from the decomposed matter, playing a vital role in recycling nutrients back into the ecosystem.
- Examples of saprotrophs include fungi (such as mushrooms and moulds) and certain bacteria.
Additional Information
- Autotrophic:
- Autotrophic nutrition is the mode of nutrition in which organisms can synthesize their own food using inorganic substances and an external energy source.
- Autotrophs convert sunlight or inorganic compounds into organic compounds through photosynthesis or chemosynthesis.
- They include green plants, algae, and some bacteria.
- Autotrophs are primary producers in food chains, serving as a source of energy for heterotrophs.
- Heterotrophic:
- Heterotrophic nutrition is the mode of nutrition in which organisms obtain their food by consuming organic matter produced by other organisms.
- Heterotrophs cannot synthesize their own food and rely on consuming plants, animals, or other organic materials for nutrients.
- Examples of heterotrophs include animals, fungi (except for a few species), and most bacteria.
- Heterotrophs play important roles as consumers and decomposers in food chains and nutrient cycles.
- Monostrophic:
- A monographic diet, also known as the mono diet or single-food diet, involves eating only one food item or one type of food.
- Examples of monotrophic diets include consuming solely potatoes or apples or restricting oneself to fruits or meats.
- Monotrophic diets may be followed for reasons such as food faddism, crash dieting, initiating an elimination diet, or exploring extreme forms of alternative medicine.
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