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Endothermic and Ectothrmic Animals

Learn about the differences between endothermic and ectothermic animals through a Venn diagram and examples. Discover how endothermic animals regulate body temperature through sweating, panting, and changing position, while ectothermic animals rely on their environment for heat regulation.

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Endothermic and Ectothrmic Animals

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  1. Endothermic and Ectothrmic Animals SC 6-3.3

  2. Endotherms Ectotherms • All vertebrate animals respond to changes in temp. Create a Venn diagram: Explain the differences and give examples.

  3. All animals respond to changes in the environmental temperature. • Vertebrate animals differ in their abilities to regulate body temperature. Vertebrate Animals

  4. There are two different types of vertebrate animals, and they respond changes in temperature based on this type. • Two types of vertebrates: • Endothermic (warm-blooded) • Ectothermic (cold-blooded) Vertebrate Animals

  5. Animals which maintain a nearly constant internal temperature and do not change with the environment. Endothermic Animals

  6. When the outside temperature is too hot, an endothermic animal can cool off by • Sweating • Panting • Changing Position • Changing Location Endothermic Animals

  7. Sweating and panting generate heat loss through evaporating water. • Changing position and location allow the animal to find a cooler environment in the shade or shelter. Endothermic Animals

  8. Endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature. • Example: • A lion must eat its weight in food every seven to ten days. Endothermic Animals

  9. Types of Endothermic animals: • Birds • Mammals Endothermic Animals

  10. Animals which have an internal body temperature that changes with the temperature of the environment. Ectothermic Animals

  11. They must gain heat to perform internal activities. • Example: Digestion Ectothermic Animals

  12. If the environment is cold, ectothermic animals become slow moving and sluggish. • Some animals must bask in the Sun. • Example: Snakes or Lizzards • Some animals must move to a warmer area before they can move about or hunt for food. • Example: Some Fish Ectothermic Animals

  13. If the temperature is too hot, ectothermic animals will need to find a cooler temperature or burrow into the ground to keep its body cool. Ectothermic Animals

  14. Ectothermic animals take on the temperature of their surroundings so they don’t have to use food energy to keep warm. • This means they don’t have to eat as often. Ectothermic Animals

  15. Types of Ectothermic Animals: • Fish • Amphibians • Reptiles Ectothermic Animals

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