Class 12 Exam > Class 12 Questions > In an ecosystem, the population of -a)primary...
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In an ecosystem, the population of -
- a)primary producers is larger than primary
consumers - b)secondary consumers is largest
- c)primary consumers out numbers primary
producers - d)primary consumers are least dependent
upon primary producers
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
In an ecosystem, the population of -a)primary producers is larger than...
Explanation:
An ecosystem is a community of living organisms interacting with each other and their physical environment. The population of different organisms in an ecosystem is interdependent and interconnected. The population of primary producers, primary consumers, and secondary consumers are interdependent on each other.
Primary Producers:
Primary producers are autotrophs, which are the first level of the food chain. They convert sunlight into chemical energy through photosynthesis. They are the base of the food chain. Examples of primary producers are green plants, algae, and phytoplankton.
Primary Consumers:
Primary consumers are herbivores that feed directly on primary producers. They are the second level of the food chain. Examples of primary consumers are grasshoppers, deer, cows, and rabbits.
Secondary Consumers:
Secondary consumers are carnivores that feed on primary consumers. They are the third level of the food chain. Examples of secondary consumers are snakes, lions, and hawks.
Answer:
The correct option is 'A,' i.e., primary producers' population is larger than primary consumers. The following are the reasons for this:
1. Energy Flow:
Energy flows through the food chain from primary producers to primary consumers to secondary consumers. As energy flows through the food chain, it decreases, so the population of organisms at each level decreases. Therefore, the population of primary producers is larger than primary consumers.
2. Biomass:
Biomass is the total weight of living organisms in an ecosystem. The biomass of primary producers is higher than primary consumers. This is because primary producers can convert more energy from the sun into biomass than primary consumers can.
3. Reproduction:
Primary producers reproduce more quickly than primary consumers. This is because primary producers have a shorter life cycle and can produce more offspring. Therefore, the population of primary producers is larger than primary consumers.
Conclusion:
In conclusion, the population of primary producers is larger than primary consumers because of energy flow, biomass, and reproduction. The interdependence of the population of different organisms in an ecosystem is crucial for the balance of the ecosystem. If one population increases or decreases, it affects the entire ecosystem.
An ecosystem is a community of living organisms interacting with each other and their physical environment. The population of different organisms in an ecosystem is interdependent and interconnected. The population of primary producers, primary consumers, and secondary consumers are interdependent on each other.
Primary Producers:
Primary producers are autotrophs, which are the first level of the food chain. They convert sunlight into chemical energy through photosynthesis. They are the base of the food chain. Examples of primary producers are green plants, algae, and phytoplankton.
Primary Consumers:
Primary consumers are herbivores that feed directly on primary producers. They are the second level of the food chain. Examples of primary consumers are grasshoppers, deer, cows, and rabbits.
Secondary Consumers:
Secondary consumers are carnivores that feed on primary consumers. They are the third level of the food chain. Examples of secondary consumers are snakes, lions, and hawks.
Answer:
The correct option is 'A,' i.e., primary producers' population is larger than primary consumers. The following are the reasons for this:
1. Energy Flow:
Energy flows through the food chain from primary producers to primary consumers to secondary consumers. As energy flows through the food chain, it decreases, so the population of organisms at each level decreases. Therefore, the population of primary producers is larger than primary consumers.
2. Biomass:
Biomass is the total weight of living organisms in an ecosystem. The biomass of primary producers is higher than primary consumers. This is because primary producers can convert more energy from the sun into biomass than primary consumers can.
3. Reproduction:
Primary producers reproduce more quickly than primary consumers. This is because primary producers have a shorter life cycle and can produce more offspring. Therefore, the population of primary producers is larger than primary consumers.
Conclusion:
In conclusion, the population of primary producers is larger than primary consumers because of energy flow, biomass, and reproduction. The interdependence of the population of different organisms in an ecosystem is crucial for the balance of the ecosystem. If one population increases or decreases, it affects the entire ecosystem.
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