1. What does the term "amphibian" refer
to?
Answer: The term "amphibian" refers
to vertebrates that live both in water and on land.
Answer:
Amphibians use camouflage to blend into their surroundings and avoid predators.
3. What defense mechanism do some amphibians employ
against predators?
Answer: Some amphibians produce toxins as a
defense mechanism against predators.
4. What are the specialized structures for
locomotion in amphibians?
Answer:
Amphibians have specialized structures for locomotion, such as webbed feet for
swimming and powerful hind legs for jumping.
5. Describe the typical body structure of
amphibians.
Answer:
Amphibians typically have a streamlined body with moist, glandular skin that
lacks scales, feathers, or hair.
6. How do most amphibians breathe?
Answer: Most amphibians breathe through their
skin, although they also possess lungs for breathing air.
7. What is the unique reproductive process of
amphibians?
Answer:
Amphibians undergo external fertilization, with most species laying eggs in
water where fertilization occurs.
8. What is the larval stage of amphibians called?
Answer: The larval stage of amphibians is
called tadpoles.
9. What facilitates the transition between the
aquatic larval stage and terrestrial adult stage in amphibians?
Answer: Metamorphosis facilitates the
transition between these stages in amphibians.
10. How are frogs and toads distinguished within the
order Anura?
Answer:
Frogs generally have longer hind legs and are more aquatic, while toads often
have shorter hind legs and are more terrestrial.
11. What are the primary members of the order
Caudata?
Answer: Salamanders and newts are the primary
members of the order Caudata.
12. Where do caecilians primarily inhabit, and what
are their characteristics?
Answer:
Caecilians primarily inhabit tropical regions and are characterized by being
limbless and worm-like, with sensory tentacles on their heads for detecting
prey.
13. What order of amphibians is characterized by
elongated bodies and the retention of tails throughout their lives?
Answer: The order Caudata is characterized by
elongated bodies and the retention of tails throughout their lives.
14. How many species approximately comprise the
order Anura?
Answer: The
order Anura comprises over 7,000 species.
15. What role does understanding the general
characteristics and classification of amphibians play?
Answer: Understanding these aspects provides
valuable insights into the evolutionary history and ecological roles of
amphibians.
