Life Cycle
Amazing feats!
Anatomy
Anatomy and physiology
100

In this stage, there is a jelly-like material that swells in water, forming a protective coating.  

Egg
100
Some frogs can jump _____ times their body length!

20

100

This is the name of the back legs.

Hind legs

100

Name the organ that is used to remove toxins from the body.  It works as a filter. 

The liver

200

After about 2-25 days, this hatches out of the egg.

A tadpole

200

Which legs on the frog are the most muscular?  The front, or the back?

The back legs.

200

This is the name of the frog's "ear" structure. 

Tympanic membrane

200
Name the organ that has lobes of spongy tissue that help the frog breathe.

The lungs

300

The next body part to develop on the tadpole before it becomes a frog is:

hind legs
300

Can some frogs change color (camouflage)?  

Yes

300

True or false:  A frog has teeth.

True!  There are two vomerine teeth and tiny maxillary teeth

300

A frog swallows their food whole, and it will be digested in the _______. 

Stomach

400

What happens to the tail as the amphibian matures from a tadpole to a frog?

It becomes shorter, and is resorbed

400

How does a frog keep their skin moist?

They secrete mucous from glands so they are covered in a waterproof coating

400
A human heart has 4 chambers.  How many chambers are in the frog's heart?

3

400

This organ stores bile produced by the liver and helps with the digestion of fats.

The gallbladder

500

In this stage, the frog will lay eggs and begin the cycle again

Adulthood

500

How do tree frogs climb trees?

They have suction cups on their toes that allow them to cling to the bark on the tree.

500

Name the two ways that a frog can breathe.

1.  With their lungs
2. Through their skin

500

Name a female frog reproductive organ (starts with an "O").

The ovaries (these are full of eggs), and the oviducts (these are the tubes through which the eggs pass)

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