Why is leguminous crop rotation used in agriculture?

451

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How can the abundance and diversity of living beings in the tropical forests be explained?

326

---

What are the typical vegetation and the typical fauna of the deserts?

399

---

What are the main intraspecific ecological interactions?

519

---

What is the role of the ozone layer for the living beings?

340

---

What are the main factors that affect the growth of a population?

533

---

What are age pyramids?

434

---

How are the heterotrophic beings divided in the ecological study of food interactions?

332

---

What is the carbon cycle?

341

---

How different is the growth according to the biotic potential of a viral population from the growth according to the biotic potential of a bacterial population?

464

---

What is biosphere?

360

---

How are the grasslands of North America and of South America respectively called?

314

---

What is mutualism?

393

---

What is a food chain?

361

---

What do energy pyramids represent?

366

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