Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892



Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Discuss Concepts Many city-dwellers have noted that the density of cockroaches in apartment kitchens appears to vary with the habits of the occupants: people who wrap food carefully and clean their kitchen frequently tend to have fewer arthropod roommates than those who leave food on kitchen counters and clean less often. Interpret these observations from the viewpoint of a population ecologist.

Summary Introduction

To review:

The observation that the density of cockroach population in kitchen apartments depends on the habitat, that is, the people who cover their food and keep clean have fewer arthropods than the ones who keep their food uncovered, as interpreted by the population ecologist.


Cockroaches are the organisms that come under arthropods. They have jointed appendages. Their body is divided into head, thorax, and abdomen. The thorax region has further subdivisions, namely prothorax, mesothorax, and metathorax.


Cockroach or Periplaneta americana (scientific name) is an organism that lives in a moist habitat, and dark and hidden places. It is mainly of dark brown color, but some species are also found to be black, yellow, and orange in color. They have ostia and spiracles. Ommatids are present in compound eyes for high sensitivity and low-resolution sight of vision also known as mosaic vision...

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