File Edit Go Tools Help Section 1: Limited Resources and Competition K 21 21 Com

Question

File Edit Go Tools Help Section 1: Limited Resources and Competition K 21 21 Competition your answers. Q1.9. Which of the following statements best describes the difference between a realized niche and a fundamental niche? A realized niche describes the current environmental conditions in which a species is found, while a fundamental niche describes the environmental conditions in which a species lived in the past A realized niche describes the interactions between a species and other species in the area, while a fundamental niche describes the interactions between a species and the abiotic environment. A realized niche describes the conditions of the environment in which a species is actually found, while a fundamental niche describes the potential environmental conditions tolerated by a species. Q1.10. Which of the following would NOT make up part of a plant's fundamental niche? The plant's tolerated moisture levels The optimum combination of sod nutrients for growth Effects of herbivory on the plant The plant's requirements for pollination 1.11. Which of the following mechanisms of competition co NOT occur between ground-dwelling rodents, such as the bank ole (Cletlurionomius glareolus) on the right?

Explanation / Answer

Q1.9. Fundamental and realized niche refers to the positions of different species or environmental conditions in an ecosystem. These two niches refer to the conditions required for the persistence of different species and their ecological roles in the system.

A fundamental niche can be defined as the range of environmental conditions in which each of the species survives. The realized niche can be termed as the range of environmental conditions in which a species is really found.

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