Chapter 40.1, Problem 1RA

(a)

Summary Introduction

To describe: Whether Kangaroo rat had a positive, negative, or neutral effects on the fitness of the native grasses during the 1931-1935 periods of drought.

Introduction: A group of interacting species constitutes a community. The interaction between the species develops a mutual relationship between them. This interaction also influences the genetic characteristics of species.

(b)

Summary Introduction

To describe: Whether Kangaroo rat had a positive, negative, or neutral effect on the fitness of the native grasses during the wetter years after 1935, which included the usually wet year of 1941.

Introduction: Species occupies a particular physical area where they can meet their basic requirements of life is called habitat. In an ecosystem, most of the species share a common habitat.