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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Biological control of pest species _________.

  1. a. has no side effects
  2. b. involves mutualists
  3. c. uses natural enemies
  4. d. requires use of chemicals

Summary Introduction

Introduction: The interactions among the members of the different species are called interspecific interactions. It can affect the reproduction and survival of the species that engage in them. Biological control agents are used for controlling the pests like weeds, insects, mites, nematodes, and so on in order to generate pest-free yields.

Explanation

Reason for the correct answer:

The method used to reduce or control the population of the pests is called biological pest controls. In this method, they control the pests by using certain agents. These agents are the natural enemies of the pests which includes parasitoids and parasites. This method is more advantageous than the pesticides. By using the chemical insecticides, it may kill a wide range of insects including the beneficial insects and also they have some harmful effects on the human health. However, while using the parasitoids and parasites as biological control agents, they will be targeting only the restricted number of species.

Option c. is given as “uses natural enemies”.

Biological pest control uses the natural enemies like predation, parasitism, and other methods to control the pests like weeds, insects, mites, nematodes, and so on in order to generate a pest-free- yields.

Hence the correct answer is option c.

Reason for incorrect answer:

Option a...

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