16. What is the process called when amphibians absorb water through their skin?
a) Dialysis
b) Osmosis
c) Permeability
d) Absorption
Answer: b) Osmosis
17. Which of the following amphibians is known for its bright colors as a warning to predators?
a) Salamanders
b) Caecilians
c) Poison dart frogs
d) Newts
Answer: c) Poison dart frogs
18. The term “amphibian” comes from the Greek words “amphi” and “bios,” which mean:
a) Cold and blood
b) Double and life
c) Water and land
d) Wet and dry
Answer: c) Water and land
19. Which of the following amphibians is oviparous?
a) Salamanders
b) Frogs
c) Toads
d) All of the above
Answer: d) All of the above
20. Which of the following amphibians has a long, slender body and no legs?
a) Frogs
b) Toads
c) Salamanders
d) Caecilians
Answer: d) Caecilians
