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Biology: The Dynamic Science (Mind...

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

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

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

How do hydrostatic skeletons, exoskeletons, and endoskeletons provide support to the body? Give an example of each of these types in echinoderms and vertebrates.

Summary Introduction

To review:

The supportive function the hydrostatic skeleton, exoskeleton, and endoskeleton provide to the body and providing one example of each of these types in echinoderms and vertebrates.

Introduction:

The skeletal system of vertebrates is made up of specialized tissues called connective tissue. It includes bones, tendons, cartilage, ligaments, and adipose tissue. It provides support and protection to internal organs, movement of body parts, and maintains body position and posture.

Explanation

The supportive functions of the hydrostatic skeleton, exoskeleton, and endoskeleton to the body are:

1. Hydrostatic skeleton: It is the fluid-filled compartment in the body called coelom. The internal organs are supported by the fluid. The muscle contraction in coelom supports the organs. The penis is an example of the hydrostatic skeleton in vertebrates. The skeletal system of red-knobbed sea star is the example of the hydrostatic skeleton in an echinoderm.

2. Exoskeleton: It is the outer rigid covering of the animals. The muscle contraction in shells protects the internal body and aids the movement of animals...

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