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In arthropods why isn't gas exchange done through cutaneous diffusion?
Arthropods are the invertebrates that form one of the largest groups of phylum in the animal kingdom. They are characterized by the presence of segmented body and paired jointed appendages.
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- How is the respiratory system of beings of the phylum Annelida characterized?Why is an internal location for gas exchange tissues advantageous for terrestrial animals?In insects, the respiratory system involves structures called tracheal tubes. How do the tracheal tubes provide oxygen to the insects body?
- 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?Using Daphnia and grasshoppers as specific examples, compare how aquatic arthropods accomplish gas exchange with how terrestrial arthropods accomplish gas exchange?How does the body shape of a flatworm enhance gas exchangewith the environment?
- Planaria lack specialized gas-exchange organs. How do you think planaria accomplish this task?After a heavy rain, earthworms come to the surface. How would you explain this behavior in terms of an earthworm’s requirements for gas exchange?Describe the role of each of the following in insectrespiration: hemolymph, tracheae, tracheoles, spiracles,air sacs, tracheal gills.
- In insects, as in some other animals we have seen, the hemocoel is primarily responsible for: providing a place for food storage retracting the gubernaculum and the pharynx O coeling the hemo replacing the intestinal system with increased surface area holding and circulating body fluids protecting the anterior gangliaIn spiders, gas exchange is supplied by (mark all that apply) book lungs book gills Malpighian tubules epidermis tracheae spiracles green glands Home Depot1) Electric eels are dependent on air breathing. They take up oxygen from the air that they gulp into their mouths and then blow back out. In what way are their mouths similar to gills? A) They both bring oxygen against its concentration gradient from the lower levels in the water or air to the higher levels in the blood. B) They both have large numbers of capillary beds very close to the skin. C) They both have large numbers of microvilli in their respiratory membrane to provide ATP for active transport of oxygen. D) ALL of these are correct. 2) Which of these accurately describes the buccopharyngeal pumping mechanism teleosts use to breathe? A) The volume of oral cavity is rapidly expanded with the mouth closed and the operculum open. B) The volume of the oral cavity is rapidly compressed with the mouth closed and the operculum open. C) Water from the surroundings is sucked into the gills during inspiration and blown back out during expiration. D) ALL of these are correct.