Which of the following is false regarding the gills of fish? O They utilize countercurrent exchange to maximize oxygen uptake. O They have high surface area to volume ratio O Their gill rakers often evolve via character displacement. None of the answers are false (they're all true)
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- In order to flip themselves upright, horseshoe crabs use their: Chelipids Telson Gnathobases Spatula UropodsIf fish do not add or remove air from their air bladders the volume of their air bladders _____ when they descend from the surface to greater depths. increases decreases stays they same depends on whether they are physoclistous or physostomousa) Gill lice infections result in lowered surface area to volume ratios in fish gill structure. True False Levels of carbon dioxide in the blood will not differ between infected and uninfected fish. Question options: True False The branched nature of capillaries in fish gills increases surface area, and thus the efficiency of exchange into/out of the blood stream lation. Question opti True False
- Insects have a tracheal system that consists of: O a. Flat plates along the side of the body. O b. Amass of air filled tubes. O c. Blood vessels running just under the skin. O d. Apair of lungs extending inside the body. O e. Gills on the legs.In frogs, which of the following is not a factor making them dependent on water: O a. The eggs have no waterproof shell. O b. Having no bony skeleton to support the body. Oc. Having external fertilisation of their eggs. O d. The larva breathes using gills. O e. Needing a wet skin for respiration.The cirripedia are used for the purpose of grindng food particles prior to their entry to the gastric ceca swimming anchoring the barnacle to the substrate eliminating nitrogenous waste products from the body creating water currents to wash the gills with oxygenated water whisking small food items from the water
- The swim bladder provides buoyancy in the ray-finned fish CepyrighteThe MeGreHe Comparies, Ine. Pemion red tor repduction or dpy Dorsal aorta To heart Gas gland Swim bladder Oval body Hagfishes Jawless fishes Gill cover Vertebrae Lampreys (operculum) Gills Chondrichthyans Ray-finned fishes Jaws, teeth, paired fips Bony skeleton, swim bladder/lung Coelacanths Lobe limbs Lungfishes Lobe-limbed vertebrates Internal nares- (nasal openings into the mouth) Amphibians Terrestrial limbs and digits Amniotes Amniote egg LIFE: THE SCIENCE OF BIOLOGY 12e, Fiqure 31.10Insects have a tracheal system that consists of: O a. Flat plates along the side of the body. O b. A mass of air filled tubes. Blood vessels running just under the skin. d. O d. Apairof lungs extending Inside the body. Gills on the legs.Which of the following responses would you expect to see in a Crucian carp that has been exposed to anoxic/hypoxic conditions? OA. Decrease in anaerobic respiration OB. Increase in total ATP use OC. Decrease in size of gill lamellae OD. Decrease in retinal activity O E. Increase in average swimming speed OF. Both A and B O G. Both A and E O H. Both B and D O1. Both C and D J. All of the above
- What is the differencebetween octopuses andmussels regarding theircirculatory systems? Howdoes that difference influencethe mobility of these animals?Land snail and slugs use which of the following for gas-exchange? (mark all that apply) the radula the spiracles the gastric caeca nerdwax the tracheae the mantle the lung the gillsCrayfish 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.
