To exchange gases, the frog’s skin is thin and smooth. Thick and tough skin with scales, feathers, or fur would impede, rather than aid, gaseous exchange. Interestingly, some frogs can change the thickness of their skin in response to the concentration of oxygen in water. The less oxygen...
they curl into a ball, much like armadillos, protected by their scaly armor—thoughthese two species are not closely related, evolutionarily speaking. Scientists still don't know how the pangolin became theonly mammal to have scalescovering ...
Why do amphibians need moist skin? How do amphibians get oxygen through the skin? Can amphibians grow back limbs? Are amphibians amniotes? Do amphibians and reptiles have scales? Do amphibians have segmented bodies? Can amphibians live in water and on land?
Reptiles are animals that belong in the class reptilia. These animals include; snakes, lizards and crocodiles. Reptiles are vertebrates since they have a backbone and varying body temperature. Moreover, reptiles have scales on their body that encloses their dry skin. ...
Tortoisesare considered as reptiles and not amphibians because of the following characteristics: They are vertebrates that is they have a backbone. They are covered in scales. What are 5 example of amphibian? Some general examples of amphibians arefrogs, toads, salamanders, and newts. ...
Are aquatic frogs amphibians? Do jawless fish have teeth? Are squids vertebrates? Is a toad an amphibian? Can any amphibian fly? What type of organism is an amphibian liver? Is an octopus a fish or amphibian? Are flies vertebrates? Are sharks amphibians? Is a bull frog an amphibian? Are...
Scientists have a more precise way of judging a fish’s age. They simply count the rings on their scales, kind of like the way you tell the age of a tree2. Unfortunately, there isn’t a lot of concrete scientific evidence about aquarium fish lifespans out there, so most of what we ...
Parental mobility may have a strong influence on offspring dispersal in a variety of ani- mals outside poison frogs. Natural history observations suggest that in at least two rainfor- est frogs from Papua New Guinea (Bickford 2002) and one cave breeding Jamaican frog (Dies...
Unfortunately, there’s also a live animal section (which occasionally gets raided by the Mexican police) with frogs, squirrels, puppies and exotic animals crammed into cages.13) See the Puebla TunnelsFor centuries there were tales of an underground network of tunnels that ran below Puebla city....
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