Campbell Biology: Concepts and Connections (Custom Package)
8th Edition
ISBN: 9781269717403
Author: Central Texas
Publisher: PEARSON
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Chapter 30, Problem 6TYK
Summary Introduction
Introduction:
The skeletal system is one of the most important systems of the body. It is responsible for providing shape and protection to the body, without it the body will be a floppy in nature.
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why do you think hydrostatic skeleton is eventually lost in animals with exoskeleton and endoskeleton? give 2 examples with scientific explanation
Exoskeletonsa. are typical of vertebrates.b. are hydrostatic.c. must be shed periodically.d. are moved by muscles attached to the outside of joints.
Compare the bat to the bird. Where is the bat's ulna? Are there any remnants of it? How is the bat's wing membrane supported by its skeleton? Be precise. Does a bird's wing work in the same way? How many metacarpals and digits ("fingers") does it have? (This is all just one question on comparing the bat to the bird)
Chapter 30 Solutions
Campbell Biology: Concepts and Connections (Custom Package)
Ch. 30 - Complete this concept map on animal movement.Ch. 30 - A humans internal organs are protected mainly by...Ch. 30 - Arm muscles and leg muscles are arranged in...Ch. 30 - Gravity would have the least effect on the...Ch. 30 - Prob. 5TYKCh. 30 - Prob. 6TYKCh. 30 - When a dog is running fast, its body position is...Ch. 30 - What is the role of calcium in muscle contraction?...Ch. 30 - Muscle A and muscle B have the same number of...Ch. 30 - Prob. 10TYK
Ch. 30 - Prob. 11TYKCh. 30 - Prob. 12TYKCh. 30 - Prob. 13TYKCh. 30 - Describe how you bend your arm, starting with...Ch. 30 - Prob. 15TYKCh. 30 - Drugs are often used to relax muscles during...Ch. 30 - An earthworms body consists of a number of...Ch. 30 - When a person dies, muscles become rigid and fixed...Ch. 30 - SCIENTIFIC THINKING Imagine you have a friend who...
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- The pectoral girdle supports the_______. a. arms b. legs c. skull d. thoracic cagearrow_forwardAmong other bones, the axial skeleton includes the_____. a. thoracic cage and vertebral column b. thoracic cage and pectoral girdle c. skull and pelvic girdle d. pectoral and pelvic girdlesarrow_forwardEndoskeletons: a. protect internal organs and provide structures against which the force of muscle contraction can work. b. differ from exoskeletons in that endoskeletons do not support the external body. c. cannot be found in echinoderms. d. are composed of cartilaginous structures that form the skull. e. compose the arms and legs.arrow_forward
- why do you think hydrostatic skeleton is eventually lost in animals with exoskeleton and endoskeleton? give 2 examples and scientific explanation please do not just copy from google and this site, i need other answersarrow_forwardThe carpal bones are a set of eight bones that make up the human wrist. These bones are part of which division of the skeleton? A. Compact skeleton B. Axial skeleton C. Subchondral skeleton D. Appendicular skeletonarrow_forwardWhilst fishing, you catch an animal with a long, cylindrical body. You take it back to the lab for dissection and find that it has no vertebral column but a partial cranium. The animal also appears to have no stomach. What do you think this animal will be? A. eel B. sea snake C. hagfish D. catfisharrow_forward
- Pneumatic bones are: Question 32 options: a) Found in birds, they have air spaces that allow them to be light for flying. b) Found in fish, they help with buoyancy. c) Found in reptiles to help them survive on land instead of water. d) Found in amniotes to help protect the eggs from drying out.arrow_forwardHow does the arrangement of skeletal structures differ in sea urchins, sea stars, and brittle stars? How do these differences establish the way these animals move? How is the skeleton of a sea urchin like the skeleton of a lobster? How is it different? Sea stars have no teeth, yet they eat other animals (corals, molluscs). How do they do this?arrow_forwardDescribe the three types of animal skeletons.arrow_forward
- Earthworms have a(n) ____. Choose one: A.segmental skeleton B.endoskeleton C.exoskeleton D.hydrostatic skeletonarrow_forwarda) How will you compare and contrast the skeleton of fishes and tetrapods? b) Explain how your bones move.arrow_forwardWorms use a hydrostatic skeleton to generate movement. How do they do this? a. Their bones are filled with water, which provides the weight of the skeleton. b. The change in body structure is caused by contraction of muscles compressing the watery body fluid. c. The muscles contain water vacuoles, which, when filled, provide a rigid internal structure. d. The term hydrostatic simply refers to moist environment. They generate movement just as arthropods do.arrow_forward
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