Explain how does biological diversity relate to the characteristics of the abiotic factors of an ecosystem?

401

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Define pollution?

284

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Explain how are the grasslands of north america and of south america respectively called?

377

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Define dry mass?

434

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What is the respective importance of water for the living beings?

363

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Define ecological succession?

361

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Explain the typical conformation of the age pyramids of underdeveloped countries?

308

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Explain how are ecological interactions classified?

288

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Define biologic control?

283

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What is nekton?

324

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Explain the three main types of tropic pyramids studied in ecology?

392

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Explain why is cannibalism an inharmonious intraspecific ecological interaction?

325

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What is the phytoplankton?

341

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Explain what is the most abundant form under which nitrogen is found in nature?

297

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Define the nitrogen cycle?

412

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