Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Question
Chapter 31, Problem 2Q
Summary Introduction
To review:
The intake of oxygen by the insects and comparison with that of humans and other vertebrates.
Introduction:
Insects are the invertebrate organisms that belong to class arthropods. Their respiratory system consists of trachea, air sacs, and spiracles. The network of tubes and air sacs present inside the body is called the tracheae, which opens outside the body through small holes called spiracles that are found on their exoskeleton.
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How do you and other large animals get enough oxygen to all of your cells to enable you to survive?
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- How does gas exchange differ among the following animals: earthworm, grasshopper, fish, and bird?arrow_forwardHow is the respiratorysystem of birds characterized?arrow_forwardIn insects, the respiratory system involves structures called tracheal tubes. How do the tracheal tubes provide oxygen to the insects body?arrow_forward
- What are respiratory pigments? What is the respiratory pigment present in some arthropods? Which is the analogous molecule in humans?arrow_forwardexplain: Insects are ectothermic, and the respiratory rate is usually proportional to the temperature of the external environment. How do insects in the a) tropics, b) cold regions of the world and c) desert cope with the climatic condition?arrow_forwardEctothermic insects have respiration rates that are proportional to the temperature of their surroundings How do insects in the a) tropics, b) cold regions of the world and c) desert cope with the climatic condition?arrow_forward
- Insects are ectothermic and the respiratory rate is usually proportional to the temperature of the external environment. How do insects in the a) tropics, b) cold regions of the world and c) desert cope with the climatic condition?arrow_forwardCrayfish have gills but open circulatory systems, whereas squid have gills but closed systems. What does this difference tell you about each animal's average metabolic needs? What other large surface do squid use for gas exchange, and what internal structure in the squid serves as defense? Explain everything in three paragraphs.arrow_forwardUsing Daphnia and grasshoppers as specific examples, compare how aquatic arthropods accomplish gas exchange with how terrestrial arthropods accomplish gas exchange?arrow_forward
- How do flatworms accomplish gas exchange (obtain oxygen and get rid of carbon dioxide)? What physical feature of flatworms enables them to survive using this method of gas exchange?arrow_forwardInsects are ectothermic and the respiratory rate is usually proportional to the temperature of the external environment. How do insects in the a) tropics, b) cold regions of the world and c) desert cope with the climatic condition? Elaborate and give examplesarrow_forwardSwim bladders in fish and lungs in terrestrial animals have a common evolutionary origin, but have evolved to perform different functions. What is the primary function of swim bladders in fish? They serve as buoyancy control organs. They filter toxins from the water. They allow fish to absorb most of their oxygen. They help in the digestion of food.arrow_forward
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