Chapter 56.2, Problem 2C

Summary Introduction

To determine: Environmental factors that are most important in determining the adaptations of organisms that live in aquatic environments.

Introduction: The ecosystem present in a water body is known as aquatic ecosystem. It is of two types, namely marine ecosystem and fresh water ecosystems. There are three main ecological categories of organisms present in both fresh water and marine ecosystems. These are plankton (free-floating), nekton (strongly swimming), and benthos (bottom-dwelling).