BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

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

Solutions

Chapter
Section
BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

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

How does the loss of its territory change the brain chemistry ofan African cichlid fish?

Summary Introduction

To review:

The effect of loss of territory on the brain chemistry of African cichlid fish.

Introduction:

The male African cichlid fish, which are brightly colored, are often referred to as territory holders. They are aggressive in nature and defend their territory against the other territory holders. The males who are less colorful and less aggressive are called nonterritorial males.

Explanation

The territorial fish have bright colored skin and attract egg-laden females. These responses are due to the production of GnRH (Gonadotropin Releasing Hormone) by the hypothalamus and, so, the hypothalamus is large and developed.

The experiment done by Russell Fernald shows that the defeated male quickly loses its bright colors and becomes quiet. The nonterritorial male acquires the bright color after it gains the territory...

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Additional Science Solutions

Find more solutions based on key concepts

Show solutions add

An injury ___ in the spinal cord can lead to paralysis of all limbs. a. high b. low

Biology: The Unity and Diversity of Life (MindTap Course List)

What is meant by biological evolution?

Human Biology (MindTap Course List)

Does the cell cycle refer to mitosis as well as meiosis?

Human Heredity: Principles and Issues (MindTap Course List)

Why does a stars life expectancy depend on its mass?

Horizons: Exploring the Universe (MindTap Course List)

Breastfed infants may need supplements of fluoride, iron, and vitamin D zinc, iron, and vitamin G vitamin E, ca...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

Did Ediacarans evolve before or after the Cambrian?

Biology: The Unity and Diversity of Life (MindTap Course List)

A projectile is launched on the Earth with a certain initial velocity and moves without air resistance. Another...

Physics for Scientists and Engineers, Technology Update (No access codes included)

a 90.8 mL to L and cm3, b 16.9 L to mL and cm3, c 65.4 cm 3 to mL and L.

Introductory Chemistry: An Active Learning Approach