[{"n": "Ectotherm", "u": "/e/animal-physiology-and-morphology/ectotherm/", "s": "Animals that rely on external heat for body temperature regulation."}, {"n": "Endotherm", "u": "/e/animal-physiology-and-morphology/endotherm/", "s": "Organisms that generate internal heat to maintain body temperature."}, {"n": "Eurytherm", "u": "/e/animal-physiology-and-morphology/eurytherm/", "s": "Organisms that function across a wide range of ambient temperatures."}, {"n": "Exoskeleton", "u": "/e/animal-physiology-and-morphology/exoskeleton/", "s": "Exoskeletons are external skeletons providing support and protection."}, {"n": "Fish anatomy", "u": "/e/animal-physiology-and-morphology/fish-anatomy/", "s": "Study of the form or morphology of fish."}, {"n": "Fish fin", "u": "/e/animal-physiology-and-morphology/fish-fin/", "s": "Appendages that generate thrust and lift for fish swimming."}, {"n": "Flipper (anatomy)", "u": "/e/animal-physiology-and-morphology/flipper-anatomy/", "s": "Broad, flattened limbs for aquatic locomotion in non-fish vertebrates."}, {"n": "Gigantothermy", "u": "/e/animal-physiology-and-morphology/gigantothermy/", "s": "Large ectotherms maintain body temperature via small surface-area-to-volume ratio."}, {"n": "Heterothermy", "u": "/e/animal-physiology-and-morphology/heterothermy/", "s": "Animals that switch between self-regulating and environment-dependent body temperature."}, {"n": "Homeothermy", "u": "/e/animal-physiology-and-morphology/homeothermy/", "s": "Thermoregulation that maintains stable internal body temperature."}, {"n": "Hoof", "u": "/e/animal-physiology-and-morphology/hoof/", "s": "Hooves are keratin-covered toe tips of ungulate mammals."}, {"n": "Horn (anatomy)", "u": "/e/animal-physiology-and-morphology/horn-anatomy/", "s": "Permanent pointed projection of keratin and bone on animal heads."}, {"n": "Insect morphology", "u": "/e/animal-physiology-and-morphology/insect-morphology/", "s": "Study of insect body form and structure."}, {"n": "Insect mouthparts", "u": "/e/animal-physiology-and-morphology/insect-mouthparts/", "s": "Insect mouthparts vary greatly, adapted to diverse feeding modes."}, {"n": "Insect wing", "u": "/e/animal-physiology-and-morphology/insect-wing/", "s": "Insect wings are exoskeletal outgrowths enabling flight."}, {"n": "Larva", "u": "/e/animal-physiology-and-morphology/larva/", "s": "A distinct juvenile form before metamorphosis in many animals."}, {"n": "Lateral line", "u": "/e/animal-physiology-and-morphology/lateral-line/", "s": "A sensory system detecting water movement, vibration, and pressure."}]