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Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer?.

Solutions for Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 7. Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.

Here you can find the meaning of Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which of the following statements about ecosystems are correct?I. Ecosystems include both biotic and abiotic components.II. Energy flow in ecosystems is unidirectional.III. Nutrients are recycled within ecosystems.IV. Ecosystems are self-sustaining and do not require external inputs.a)I and II onlyb)I, II, and III onlyc)I and IV onlyd)I, II, III, and IVCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 7 tests.