Chapter 2, Problem 3A

Summary Introduction

To replace:

The underlined incorrect term with the correct term.

Introduction:

The term biological is related to all the biotic components of the environment or the ones that are alive. Any living organisms possess the characteristics of life like reproduction, growth, movement, and metabolism. To sustain life, the biotic components interact with the abiotic or non-living components of the environment.

Answer to Problem 3A

A group of biological communities that interact with the physical environment is the ecosystem.

Explanation of Solution

An ecosystem is a region or area where every type of living things present there interact with each other and also with the abiotic components like temperature and humidity present in that region. The interaction between the abiotic and biotic components of an ecosystem establishes the energy and nutrient flow among them.