Chapter 6, Problem 6STP

Summary Introduction

Introduction :

Biodiversity is known as the variety of life in a location which is determined by the number of various species in that location. There are several reasons to preserve biodiversity. Many humans work to preserve and protect the species on Earth for future generations. In addition, there are economic, aesthetic, and scientific reasons for preserving biodiversity.

Answer to Problem 6STP

Correct answer :

The correct answer is option (B) species of water plant that makes a useful antibiotic.

Explanation of Solution

Explanation/justification for the correct answer :

Option (B) species of water plant that makes a useful antibiotic. Many of the medicines that used today are derived from plants or other organisms. Preserving species that are used directly is important. So, the correct answer is option (B).

Explanation for incorrect answer :

Option (A) sparrow population that have great genetic diversity. Maintaining biodiversity has a direct economic value to humans. The genetic diversity of a species is not used directly. So, this is an incorrect option.

Option (C) trees that create a barrier against hurricane winds. Human depends in plants and animals to provide food, clothing, energy, medicine, and shelter. Preserving the species that are used directly is important, but it also is important to preserve the genetic diversity in species that are not used directly. So, this is an incorrect answer.

Option (D) villagers who all use the same rice species for crops. All the villagers use the same rice species for crops that may be having the same problems. This situation does not have the direct economic value. So, this is an incorrect answer.