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Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?
- a)Water availability
- b)Temperature
- c)Soil composition
- d)Light intensity
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following factors is most ecologically relevant to living...
Understanding the Relevance of Temperature to Living Organisms
Temperature plays a crucial role in the ecological functioning of living organisms. It directly influences their metabolism, activity levels, and overall physiological processes. Here’s a detailed look at why temperature is paramount:
1. Metabolic Rate
- Temperature significantly affects the metabolic rates of organisms.
- Most biochemical reactions in living cells are temperature-dependent; as temperature increases, reaction rates typically increase as well, up to an optimum level.
2. Enzymatic Activity
- Enzymes, which are vital for metabolic processes, have specific temperature ranges for optimal activity.
- Deviations from this range can lead to reduced efficiency or even denaturation of enzymes, severely impacting metabolism.
3. Physiological Functions
- Temperature influences physiological functions such as respiration, digestion, and reproduction.
- For example, ectothermic (cold-blooded) animals rely on external temperatures to regulate their body heat, affecting their activity levels.
4. Species Distribution
- Temperature affects the geographic distribution of species.
- Organisms have adapted to specific temperature ranges, and changes in climate can lead to shifts in habitat availability.
5. Interactions Within Ecosystems
- Temperature influences not only individual organisms but also their interactions within ecosystems.
- It impacts predator-prey dynamics, competition, and species relationships.
In summary, while factors like water availability, soil composition, and light intensity are important, temperature is the most ecologically relevant factor affecting the fundamental physiological and metabolic processes of living organisms.
Temperature plays a crucial role in the ecological functioning of living organisms. It directly influences their metabolism, activity levels, and overall physiological processes. Here’s a detailed look at why temperature is paramount:
1. Metabolic Rate
- Temperature significantly affects the metabolic rates of organisms.
- Most biochemical reactions in living cells are temperature-dependent; as temperature increases, reaction rates typically increase as well, up to an optimum level.
2. Enzymatic Activity
- Enzymes, which are vital for metabolic processes, have specific temperature ranges for optimal activity.
- Deviations from this range can lead to reduced efficiency or even denaturation of enzymes, severely impacting metabolism.
3. Physiological Functions
- Temperature influences physiological functions such as respiration, digestion, and reproduction.
- For example, ectothermic (cold-blooded) animals rely on external temperatures to regulate their body heat, affecting their activity levels.
4. Species Distribution
- Temperature affects the geographic distribution of species.
- Organisms have adapted to specific temperature ranges, and changes in climate can lead to shifts in habitat availability.
5. Interactions Within Ecosystems
- Temperature influences not only individual organisms but also their interactions within ecosystems.
- It impacts predator-prey dynamics, competition, and species relationships.
In summary, while factors like water availability, soil composition, and light intensity are important, temperature is the most ecologically relevant factor affecting the fundamental physiological and metabolic processes of living organisms.
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Community Answer
Which of the following factors is most ecologically relevant to living...
The correct answer is Option B. Temperature is the most ecologically relevant environmental factor, as it influences the kinetics of enzymes and impacts the basal metabolism, activity, and other physiological functions of organisms.
Topic in NCERT: Ecology
Line in NCERT: "ecology is a subject which studies the interactions among organisms and between the organism and its physical (abiotic) environment."
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Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?a)Water availabilityb)Temperaturec)Soil compositiond)Light intensityCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?a)Water availabilityb)Temperaturec)Soil compositiond)Light intensityCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?a)Water availabilityb)Temperaturec)Soil compositiond)Light intensityCorrect answer is option 'B'. Can you explain this answer?.
Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?a)Water availabilityb)Temperaturec)Soil compositiond)Light intensityCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?a)Water availabilityb)Temperaturec)Soil compositiond)Light intensityCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following factors is most ecologically relevant to living organisms, affecting their metabolism, activity, and physiological functions?a)Water availabilityb)Temperaturec)Soil compositiond)Light intensityCorrect answer is option 'B'. Can you explain this answer?.
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