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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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Some attempts to use biological controls prove ineffective. Although the introduced control agent targets only the expected pest species, the control agent does not take hold and spread in its new habitat. Describe some community interactions that could slow or prevent an introduced biological control agent from becoming established in a new habitat

Summary Introduction

To describe: The community interactions that can slow or prevent an introduced biological control agent from becoming established in a new habitat.

Concept introduction:

The interactions among members of the different species are called interspecific interactions. The biological pest control use 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 yield.

Explanation

The method used to reduce or control the population of the pests is called biological pest controls. In this method, they control the pests 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. 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. But while using the parasitoids and parasites as biological control agents, they will be targeting only the restricted number of species.

The biological control agents can have dual purposes. For designing a control agent, we must consider certain important points. The first point is that the designed control agent must target only the expected pest species and the second point is that whether the control agent will affect the ecosystem...

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