Biology Chapter 9: Salamanders

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Questions and Answers

What is a common characteristic of a salamander's skin?

  • It is always rough
  • It is always scaly
  • It is always dry
  • It is moist and usually smooth (correct)

What is the typical length of an average salamander?

  • 4 to 6 inches (correct)
  • 20 to 25 inches
  • 1 to 2 inches
  • 10 to 15 inches

What is the purpose of the bright colors and patterns on some salamanders?

  • To attract mates
  • To scare away predators
  • To blend in with their surroundings
  • To warn potential predators (correct)

What is unique about the Chinese giant salamander?

<p>It grows to a length of 5.9 feet (D)</p> Signup and view all the answers

What is a common habitat for salamanders?

<p>Habitats in or near water or other cool, damp places (B)</p> Signup and view all the answers

What is the name of the family that includes newts?

<p>Salamandridae (D)</p> Signup and view all the answers

What do the poisonous glands in the skin of newts secrete?

<p>Potent toxins (C)</p> Signup and view all the answers

Which salamanders move by undulating their bodies in a wavelike manner?

<p>Aquatic salamanders without hind limbs (C)</p> Signup and view all the answers

What is the primary purpose of a salamander's damp habitat?

<p>To keep its skin moist for oxygen absorption (C)</p> Signup and view all the answers

When are salamanders typically active?

<p>In the evening (D)</p> Signup and view all the answers

What do some aquatic salamanders have to help them breathe?

<p>Gills (D)</p> Signup and view all the answers

What do salamanders typically do during the winter months in regions with freezing temperatures?

<p>Hibernate underground or in deep caves (B)</p> Signup and view all the answers

What is the primary function of the poisonous skin glands in salamanders?

<p>To defend against predators (D)</p> Signup and view all the answers

What is the purpose of tail lashing in salamanders?

<p>To defend against predators (D)</p> Signup and view all the answers

What is a unique feature of salamanders' tongues?

<p>They can stretch up to 40-80% of the salamander's body length (A)</p> Signup and view all the answers

What is a common food source for salamanders?

<p>Insects, worms, and small fish (B)</p> Signup and view all the answers

How do aquatic salamanders capture prey?

<p>By using a suction method (B)</p> Signup and view all the answers

What is a unique ability of salamanders?

<p>To regenerate lost body parts (B)</p> Signup and view all the answers

How do salamanders catch their prey?

<p>By sucking in both prey and water (B)</p> Signup and view all the answers

How many eggs can a salamander lay in one cluster?

<p>From 20 to 500 (C)</p> Signup and view all the answers

Where do some species of salamanders lay their eggs?

<p>Underwater in chambers (D)</p> Signup and view all the answers

What happens during the fertilization process in some species of salamanders?

<p>The male spreads his semen directly over the eggs (D)</p> Signup and view all the answers

What is a characteristic of a salamander's larval stage?

<p>Having external gills (D)</p> Signup and view all the answers

What is a common classification of salamander life cycles?

<p>Aquatic, terrestrial, or amphibious (B)</p> Signup and view all the answers

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