What is nekton?

323

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

386

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Explain why is cannibalism an inharmonious intraspecific ecological interaction?

322

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What is the phytoplankton?

340

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

290

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Define the nitrogen cycle?

408

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How many tropic levels can a food chain have?

460

---

Define parasitism?

318

---

Define eutrophication?

265

---

Define harmonious ecological interaction?

351

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Explain the main interspecific ecological interactions?

363

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Explain what are the main limiting factors for the growth of a population?

366

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Explain why the tropical forests are also known as stratified forests?

373

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Explain what are fossil fuels?

405

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Explain the difference between primary ecological succession and secondary ecological succession?

310

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