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Textbook notes

Processes in Ecological Communities

This document is intended to help study Chapters 52.1 and 52.3 (Ecological Communities) of the book Biological Sciences. It includes vocabulary to study (flashcards connected) and questions to help further understanding and to help analyze the information.

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  • November 22, 2019
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  • 2019/2020
  • Textbook notes

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Available practice questions

Flashcards 19 Flashcards
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Some examples from this set of practice questions

1.

Commensalism

Answer: A relationship between two species in which one species obtains benefits from the other without any effect on the other species ( /0).

2.

Competition

Answer: A relationship between organisms in which one is harmed when both are trying to use the same resources (-/-).

3.

Mutualism

Answer: Interactions between organisms of two species in which each organism benefits from the interactions ( / ).

4.

Asymmetric Competition

Answer: A type of competition resulting in the unequal distribution of resources to individuals and one species will suffer greater fitness decline.

5.

Niche

Answer: The range of resources that a species is able to use or the range of conditions a species can tolerate.

6.

Predation

Answer: A form of symbiotic relationship between two organisms of unlike species in which one is a predator that captures and feeds on other organisms (prey) serving as a mechanism of population control.

7.

Constitutive Defense

Answer: Defense mechanisms that are always present.

8.

Induced Defense

Answer: A temporary defense targeted to defend against predators.

9.

Niche Differentiation

Answer: The process by which competing individuals use the environment differently in ways that help them coexist.

10.

Primary Succession

Answer: This occurs when a disturbance removes the soil and its organisms as well as organisms living above the surface.

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