Which of the following is an example of external anatomy?

• Stomach

• Heart

• Skin

• Liver

What is the function of the gallbladder?

• To filter blood

• To store and release bile

• To digest food

• To pump blood

How do frogs breathe when they are on land?

• Through their lungs

• Through their skin

• Through their gills

• Through their eyes

What is another difference between male and female frogs?

• Male frogs are usually smaller

• Female frogs are usually smaller

• Male frogs have longer tails

• Female frogs have thicker skin

A froglet can start breathing air using lungs at the age of (a)   .

• 2-4 months old
• 1 month old
• 6 months old
• 1 year old

How many eyelids do frogs have?

• 2

• 3

• 4

• 5

What is the function of the nictitating membrane in frogs?

• It helps frogs to hear better.

• It is used for breathing underwater.

• It protects the eyes underwater and keeps them moist on land.

• It helps frogs to jump higher.

What is the purpose of the nictitating membrane when the frog is underwater?

• It helps the frog to swim faster.

• It protects the frog's eyes.

• It helps the frog to see in the dark.

• It keeps the frog warm.

What is the term used for the opening at the end of the digestive tract in frogs?

• Nictitating membrane

• Cloacal opening

• Tympanic membrane

• Pigment spot

What are frog ears called?

• Tympanum

• Pinna

• Cochlea

• Auricle