In the ecological study of food interactions how are the autotrophic beings called?

351

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Can the amount of available energy in a given tropic level to be larger than the available energy in inferior tropic levels? What does that condition means to the conformation of the energy pyramids?

417

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What are pioneer species? What is the role of the pioneer species?

448

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Why does thermal inversion increases air pollution? Which harms can thermal inversion cause to humans?

497

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What benefits can commensalism offer to a species?

361

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What are some economic applications that can be generated by very biodiverse ecosystems?

401

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What is ammensalim?

345

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What is the respective importance of water, carbon, and nitrogen for the living beings?

586

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What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?

323

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What are the main causes of the loss of the biological diversity nowadays?

471

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What do numeric pyramids represent?

429

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In a numeric pyramid, is it possible the base to be smaller than the other levels?

613

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How different are the concepts of migration, emigration, and immigration

416

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Is pollution always caused by humans?

402

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What is the group of aquatic beings composed of large number of photosynthetic beings?

382

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