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Amphibian Adaptations Quiz

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Questions and Answers

Why do adult frogs live on land only in very moist conditions?

To maintain moist skin for breathing through their skin (correct)

To protect their eggs with a strong shell

To prevent external fertilisation

To shield their skin from excessive moisture

What is the advantage of Amniotic eggs in Reptiles, Birds, and Mammals?

They require external water for survival

They are primarily used for external fertilisation

They do not have a respiratory membrane

They provide a shock-absorbing liquid for the embryo (correct)

How are vertebrates in the Class Amphibia better adapted for life on land?

Possessing dry skin with protein scales (correct)

Through excreting excess water through skin

Having external fertilisation

Internal fertilisation to prevent water loss

Why do adult salamanders stay mainly aquatic?

To maintain moist conditions for breathing through the skin Signup and view all the answers

What is the purpose of the Allantois in Amniotic eggs?

Holding metabolic waste for disposal Signup and view all the answers

What evolved into fore legs in the evolution of Tetrapods?

Pectoral fins Signup and view all the answers

Why do Amphibians have legs positioned on the side of their bodies?

To aid in swimming and aquatic movement Signup and view all the answers

Why do bony fish have hard scales to protect their skin?

To reduce friction with water Signup and view all the answers

Which adaptation allows fish to control their buoyancy without constant swimming?

Swim bladder Signup and view all the answers

What system replaces the gills in adult amphibians like frogs for breathing?

Lung Signup and view all the answers

What physical change occurs in the adult stage of amphibians like salamanders?

Tail is replaced by legs Signup and view all the answers

What physical adaptation distinguishes tetrapods from other fish?

Pelvic bones fused with the spine Signup and view all the answers

What is a key adaptation of amniotic eggs that distinguishes them from amphibian eggs?

Dry water-proof shell Signup and view all the answers

What is a characteristic that reptiles and amphibians have in common?

Have a 3-chambered heart Signup and view all the answers

What is a key factor that enables birds to fly?

All of the above Signup and view all the answers

What is a disadvantage of having a single ventricle in the heart, as seen in amphibians?

Less efficient blood circulation Signup and view all the answers

What is a key advantage of having legs that are positioned under the body?

Ability to run faster and more efficiently Signup and view all the answers

What is a characteristic unique to birds that allows for efficient flight?