Chapter 19, Problem 5FTB

Summary Introduction

To review:

The given blank space in the statement, “the biological species definition is difficult to apply to an organism that ________. An alternative species definition, known as _______, does not have this limitation.”

Introduction:

Species evolved over the generation on the basis of genetic variation contributes directly to the gene pool of the population. Species in a population are able to breed and produce fertile offspring. While evolving they develop new characters, which are helpful in adaptation toward their environment. Therefore, they share ancestral characters, which demonstrate the degree of resemblance to their evolutionary ancestors. The evolved characters are of much use in order to classify the species and place them under different domains.