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  2. May 16, 2024 · cold-bloodedness, the state of having a variable body temperature that is usually only slightly higher than the environmental temperature. This state distinguishes fishes, amphibians , reptiles, and invertebrate animals from warm-blooded, or homoiothermic, animals (birds and mammals).

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  3. May 10, 2024 · Amphibians have dual lives on land and in water, they are cold-blooded (ectothermic), and have moist and permeable skin. They also have primitive lungs and can breathe through their skin (cutaneous respiration). Additionally, they have a three-chambered heart and rely on water for reproduction.

  4. May 8, 2024 · Amphibians and reptiles are different; although they have similar characteristics like being cold blooded and having no hair or feathers.

  5. May 20, 2024 · The Bornean flat-headed frog has lungs after all. A tiny frog from Borneo was thought to be the only known frog species with no lungs – but it turns out they do have lungs after all. In 2008, a ...

  6. Apr 29, 2024 · Amphibians are also cold-blooded vertebrates that breathe through lungs, but begin their life in a larval stage as tadpoles with gills. Amphibians in our ponds include frogs, toads, and salamanders. All of the main ponds will host frogs such as American bullfrogs and green frogs.

  7. 4 days ago · The molecular blueprint for evolution from cold-blooded to warm-blooded has been found. This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts. Back to article; Note about images

  8. May 19, 2024 · Many of them are cold-blooded, which means their body temperature depends on their environment. Reptiles are similar to amphibians with some key differences. Amphibians start as water-breathing larvae (tadpoles) and then transform into air-breathing adults.

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