amphibians

Why aren't humans considered ectothermic?

• Because our body temperature generally stays the same in all conditions

• Because we give birth to live young

• Because we have skeletons made of bone, not cartilage

• Because we can't breathe underwater

What type of vertebrates existed before amphibians?

• Land animals only

• Sea animals only

• Both land and sea animals

• Dinosaurs

Amphibian means _____.

• Land water
• Double life
• Land mammal
• Aquatic mammal 

An amphibian has a ____ chambered heart

• 1
• 2
• 3
• 4

Tags

NGSS.MS-LS4-2

Amphibians reproduce _____.

• Internally
• Externally
• Asexually 
• Hermaphrodite 

Amphibians developed from _____

• Ray finned fish
• Lobe finned fish
• Lung Fish
• Bony Fish 

Tags

NGSS.MS-LS4-2

To get air through their skin, amphibians must

• stay moist
• eat insects
• live in holes
• lay eggs

All amphibians are vertebrate.

• True
• False

Some types of amphibians have scales.

• True

• False

What is the function of the Tympanum?

• It is needed make a powerful leap

• Tympanum is necessary for metamorphosis

• To extend their tongue longer

• transmits sound waves and prevents ear from water and other objects