Why is gas exchange more difficult for animals with gills than animals with lungs? What advantage...
Why is gas exchange more difficult for animals with gills than animals with lungs? What advantage does countercurrent exchange give for gas exchange in the fish?
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Why is gas exchange more difficult for animals with gills than
animals with lungs? What advantage...
Some organisms can perform gas exchange through diffusion alone. What types of animals can do this?
1. Some organisms can perform gas exchange through diffusion alone. What types of animals can do this? Explain how with each type of animal. 2. Phylum Arthropoda has special structures that allow air flow. Explain how gas exchange occurs in this phylum? 3. Explain how book lungs and book gills are similar and different. 4. Fish gills utilize counter-current gas exchange. Explain what this process is and how it helps fish get enough O2 5. How do reptile lungs differ from amphibian lungs? 6. Explain...
3. Explain how book lungs and book gills are similar and different.
3. Explain how book lungs and book gills are similar and different. 4. Fish gills utilize counter-current gas exchange. Explain what this process is and how it helps fish get enough O2 5. How do reptile lungs differ from amphibian lungs? 6. Explain how unidirectional air flow allows for great O2 extraction
1. Use Boyle’s law and the anatomy of a mammal to explain how inhalation and exhalation...
1. Use Boyle’s law and the anatomy of a mammal to explain how inhalation and exhalation occurs. 2. What is the difference between external gills and internal gills? What are the advantages/disadvantages of each? 3. Structure determines function: what features are common in different respiratory organs, and how do these features help with gas exchange? 4. What challenges to gas exchange do aquatic animals face? Terrestrial? 5. What is a “countercurrent exchange system”? Explain its role in fish gills. 6.Amphibians...
1. Explain and give an example of negative and positive feedback. Include information on how the...
1. Explain and give an example of negative and positive feedback. Include information on how the endocrine and nervous are involved in response to stimuli. 2. Describe how gas exchange occurs in aquatic animals through gills (include countercurrent exchange), insects through tracheal systems, and mammals through lungs.
In terrestrial vertebrates, what is the advantage of having surfaces for O2/CO2 exchange inside the animal(i.e....
In terrestrial vertebrates, what is the advantage of having surfaces for O2/CO2 exchange inside the animal(i.e. in the lungs), rather than on the surface (i.e. in gills or skin)?
Which statement about respiratory adaptation is true? a. desiccation of the respiratory surface is more likely...
Which statement about respiratory adaptation is true? a. desiccation of the respiratory surface is more likely to occur in gills than in lungs b. fish only ventilate their gills by swimming almost constantly with their mouths open c. all animals require use internal surfaces for gas ventilation d. perfused gill arches are found only in invertebrates e. minimizing the path distance for gas diffusion to occur is an important evolutionary step
1. Alveoli are air sacs in the lungs where gas exchange occurs with the blood. The...
1. Alveoli are air sacs in the lungs where gas exchange occurs with the blood. The tissue that makes up alveoli is simple squamous epithelium, which is different than the respiratory tract which is mostly pseudostratified columnar ciliated epithelium. Explain why there is a difference in tissue types. 2. Do you think the skin is a tissue or an organ? Explain why. 3. If you had to choose one type of epithelial tissue that is more important than the others,...
Question 6 (1 point) Which of the following statements are accurate? Oxygen is not the most...
Question 6 (1 point) Which of the following statements are accurate? Oxygen is not the most abundant gas in the atmosphere. Diffusion of gases is 'better' across single cells that are thin than layers of thin cells. Gas exchange in humans occurs in the lungs at the structures called alveoli. Diffusion of gas occurs from areas with a higher partial pressure to an area of lower partial pressure. Organisms with gills may use a countercurrent exchange mechanisms to extract more...
Question 1: Homeostasis, Common Ancestry, and Divergence a) One problem that all respiring organisms share is...
Question 1: Homeostasis, Common Ancestry, and
Divergence
a) One problem that all respiring organisms share is the
need for biological structures that allow efficient uptake of
oxygen and removal of carbon dioxide. Two types of structures that
have evolved for carrying out gas exchange are gills and lungs. The
table below lists organisms according to the type of structure they
use for gas exchange.
Describe the general process of gas exchange that occurs
between a gill or lung and the...
1. Why are both sponges and corals hardened? What benefit does this give the organisms? 2....
1. Why are both sponges and corals hardened? What benefit does this give the organisms? 2. Compare and contrast the different morphs in Cnidaria in terms of movement, shape, complexity, etc. 3. Sponges and cnidarians have no lungs or gills. How do they exchange gases with the environment? Are humans better off having lungs? Why/why not?
Question 6 (1 point) Which of the following statements are accurate? Oxygen is not the most abundant gas in the atmosphere. Diffusion of gases is 'better' across single cells that are thin than layers of thin cells. Gas exchange in humans occurs in the lungs at the structures called alveoli. Diffusion of gas occurs from areas with a higher partial pressure to an area of lower partial pressure. Organisms with gills may use a countercurrent exchange mechanisms to extract more...
Question 1: Homeostasis, Common Ancestry, and
Divergence
a) One problem that all respiring organisms share is the
need for biological structures that allow efficient uptake of
oxygen and removal of carbon dioxide. Two types of structures that
have evolved for carrying out gas exchange are gills and lungs. The
table below lists organisms according to the type of structure they
use for gas exchange.
Describe the general process of gas exchange that occurs
between a gill or lung and the...
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