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Chapter 47: Q 11. (page 1400)

What is an ecosystem service that performs the same function as a pesticide?

a. pollination

b. secondary plant compounds

c. crop diversity

d. predators of pests

Short Answer

Expert verified

The correct option is (d)

Step by step solution

01

Step 1. Given information

The above-mentioned question enquires about the ecosystem service that can be held equivalent to the role of pesticide.

02

Step 2. Description

An ecosystem service that performs the same function as a pesticide are predators of pest. Predators help in keeping away the pest from crops that increase the productivity of an ecosystem.

03

Step 3. Explanation of incorrect options

Pollination- Pollination is transfer of polen grains from one flower to another to perform sexual reproduction.

Secondary plant compounds- These chemicals are used to primarily make drugs and secondary metabolite.

Crop diversity- Diversity of crops is independent of ecosystem service.

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Most popular questions from this chapter

The number of currently described species on the planet

is about ________.

a. 17,000

b. 150,000

c. 1.5 million

d. 10 million

Explain what extinction threats a frog living on a mountainside in Costa Rica might face.

A secondary plant compound might be used for which of

the following?

a. a new crop variety

b. a new drug

c. a soil nutrient

d. a pest of a crop pest

Exotic species are especially threatening to what kind of

ecosystem?

a. deserts

b. marine ecosystems

c. islands

d. tropical forests

Describe what happens to an ecosystem when a keystone species is removed.
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