18 Questions
Why do adult frogs live on land only in very moist conditions?
To maintain moist skin for breathing through their skin
What is the advantage of Amniotic eggs in Reptiles, Birds, and Mammals?
They provide a shock-absorbing liquid for the embryo
How are vertebrates in the Class Amphibia better adapted for life on land?
Possessing dry skin with protein scales
Why do adult salamanders stay mainly aquatic?
To maintain moist conditions for breathing through the skin
What is the purpose of the Allantois in Amniotic eggs?
Holding metabolic waste for disposal
What evolved into fore legs in the evolution of Tetrapods?
Pectoral fins
Why do Amphibians have legs positioned on the side of their bodies?
To aid in swimming and aquatic movement
Why do bony fish have hard scales to protect their skin?
To reduce friction with water
Which adaptation allows fish to control their buoyancy without constant swimming?
Swim bladder
What system replaces the gills in adult amphibians like frogs for breathing?
Lung
What physical change occurs in the adult stage of amphibians like salamanders?
Tail is replaced by legs
What physical adaptation distinguishes tetrapods from other fish?
Pelvic bones fused with the spine
What is a key adaptation of amniotic eggs that distinguishes them from amphibian eggs?
Dry water-proof shell
What is a characteristic that reptiles and amphibians have in common?
Have a 3-chambered heart
What is a key factor that enables birds to fly?
All of the above
What is a disadvantage of having a single ventricle in the heart, as seen in amphibians?
Less efficient blood circulation
What is a key advantage of having legs that are positioned under the body?
Ability to run faster and more efficiently
What is a characteristic unique to birds that allows for efficient flight?
All of the above
Test your knowledge on the unique adaptations of amphibians such as salamanders and frogs to their environments. Learn about their transition from aquatic larvae to terrestrial adults and the challenges they face in maintaining moisture levels for respiration and reproduction.
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