Podcast
Questions and Answers
Why do adult frogs live on land only in very moist conditions?
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?
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?
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?
Why do adult salamanders stay mainly aquatic?
What is the purpose of the Allantois in Amniotic eggs?
What is the purpose of the Allantois in Amniotic eggs?
What evolved into fore legs in the evolution of Tetrapods?
What evolved into fore legs in the evolution of Tetrapods?
Why do Amphibians have legs positioned on the side of their bodies?
Why do Amphibians have legs positioned on the side of their bodies?
Why do bony fish have hard scales to protect their skin?
Why do bony fish have hard scales to protect their skin?
Which adaptation allows fish to control their buoyancy without constant swimming?
Which adaptation allows fish to control their buoyancy without constant swimming?
What system replaces the gills in adult amphibians like frogs for breathing?
What system replaces the gills in adult amphibians like frogs for breathing?
What physical change occurs in the adult stage of amphibians like salamanders?
What physical change occurs in the adult stage of amphibians like salamanders?
What physical adaptation distinguishes tetrapods from other fish?
What physical adaptation distinguishes tetrapods from other fish?
What is a key adaptation of amniotic eggs that distinguishes them from amphibian eggs?
What is a key adaptation of amniotic eggs that distinguishes them from amphibian eggs?
What is a characteristic that reptiles and amphibians have in common?
What is a characteristic that reptiles and amphibians have in common?
What is a key factor that enables birds to fly?
What is a key factor that enables birds to fly?
What is a disadvantage of having a single ventricle in the heart, as seen in amphibians?
What is a disadvantage of having a single ventricle in the heart, as seen in amphibians?
What is a key advantage of having legs that are positioned under the body?
What is a key advantage of having legs that are positioned under the body?
What is a characteristic unique to birds that allows for efficient flight?
What is a characteristic unique to birds that allows for efficient flight?
