Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 35.1, Problem 1CC
Summary Introduction
To analyze:
The ways by which the lack of an external skeleton is an advantage for animals.
Introduction:
The exoskeleton is a tough body covering that is present exterior to the body of an invertebrate. It is composed of chitin, minerals, and calcium.
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Although the most diverse and numerous animal groups on Earth have exoskeletons, this type of skeleton has some disadvantages when compared to endoskeletons. Describe any two potential disadvantages of exoskeletons.
Two insects find themselves in the unfortunate position where they need to defend themselves against each other (there is no possibility of running away). How will their exoskeletons be advantageous to them in this case?
Why do some vertebrates possess cartilaginous endoskeletons while otherspossess bony endoskeletons? Give at least two examples.
Chapter 35 Solutions
Principles of Biology
Ch. 35.1 - Prob. 1CCCh. 35.1 - Prob. 1TYKCh. 35.1 - Prob. 2TYKCh. 35.2 - Prob. 1CCCh. 35.2 - Rigor mortis is the condition that occurs shortly...Ch. 35.2 - Prob. 1BCCh. 35.2 - Prob. 3CCCh. 35.2 - Prob. 2BCCh. 35.2 - Prob. 1TYKCh. 35.2 - Prob. 2TYK
Ch. 35.3 - Prob. 1TYKCh. 35.4 - Prob. 1TYKCh. 35.4 - Prob. 2TYKCh. 35 - Prob. 1TYCh. 35 - Which, if any, of the following is not a function...Ch. 35 - Prob. 3TYCh. 35 - Prob. 4TYCh. 35 - Prob. 5TYCh. 35 - During cross-bridge cycling, binds to _________,....Ch. 35 - Prob. 7TYCh. 35 - Prob. 8TYCh. 35 - Prob. 9TYCh. 35 - Prob. 10TYCh. 35 - Prob. 1CCQCh. 35 - Prob. 2CCQCh. 35 - Prob. 3CCQCh. 35 - Discuss the structure and function of the two...Ch. 35 - Prob. 2CBQ
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- Which of the following is not a true statement comparing exoskeletons and endoskeletons? a. Endoskeletons can support larger organisms. b. Only endoskeletons can grow as an organism grows. c. Exoskeletons provide greater protection of the internal organs. d. Exoskeletons provide less mechanical leverage.arrow_forwardExplain how an endoskeleton differs from an exoskeleton.arrow_forwardExplain how the three different skeletal system types can be used to create locomotion in animals. Can all three skeletal systems be used for locomotion in each environment (water, land, air)? Why or why not?arrow_forward
- Why is it important to understand the relationship of bones and muscles and their functions? own words pleasearrow_forwardCompare the structure and functions of different types of skeletal systems, including the hydrostatic skeleton, exoskeleton, and endoskeleton.arrow_forwardWhich of the following is not a true statement comparing exoskeletons and endoskeletons? Endoskeletons can support larger organisms Only endoskeletons can grow as an organism grows Exoskeletons provide greater protection of the internal organs Exoskeletons provide less mechanical leverage.arrow_forward
- Hydrostatic skeletons have been defined as a mass of fluid enclosed within a muscular wall. How would you modify this definition to apply it to a muscular hydrostat? Offer examples of both a hydro-static skeleton and a muscular hydrostat.arrow_forwardBoth hydrostatic and exoskeletons can protect internal organs from harm. Contrast the ways the skeletons perform these functions.arrow_forwardWhich function is NOT one of the skeleton functions: a) Production of blood cells b) Provide attachment points for muscles c) Storage of calcium and phosphate d) Storage of vitamin D.arrow_forward
- Adaptations for Structural Support: Endoskeletons a) Which bones provide structural support for the arm? b)Which bones provide structural support for the leg? c)Which bones protect the heart and lungs? d) Which bones protect the brain? e)Which bones surround the mouth and support the teeth?arrow_forwardWhich of the following is not a function of the skeletal system in animals? A. providing insertion (attachment) places for muscles B. receiving signals from the nervous system to execute motion C. providing the basic shape and structure of an animal D. enabling locomotion E. protecting the animal from external forces and physical threatsarrow_forwardA scientist extracts and measures the calcium content of one of your muscle fibers while you are asleep, when all of your muscles are relaxed. Where is the scientist likely to find calcium? In the T-tubules In the sarcoplasmic reticulum Bound to tropomyosin Bound to troponinarrow_forward
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