1)Trophic level T1 has maximum number of organisms. Because they are the original source of energy. 2)In trophic level T4, chemicals like DDT are accumulated in highest concentration. As these chemicals are not biodegradable they get accumulated progressively at each trophic level.
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Answer:
1)Trophic level T1 has maximum number of organisms. Because they are the original source of energy. 2)In trophic level T4, chemicals like DDT are accumulated in highest concentration. As these chemicals are not biodegradable they get accumulated progressively at each trophic level.