Lesson Worksheet: Kingdom Animalia: Vertebrates Biology

In this worksheet, we will practice recalling the characteristics of different vertebrates within the animal kingdom.

Q1:

What are the three subclasses of the class Mammalia?

  • APrototheria, Metatheria, Eutheria
  • BMetatheria, Eutheria, Protista
  • CPrototheria, Metatheria, Archaea
  • DArchaea, Eukarya, Protista

Q2:

Which of the following statements describes a characteristic shared by amphibians, reptiles, and birds?

  • AThe females of these organisms produce milk to feed their young.
  • BThese organisms all have skin that is covered by scales.
  • CThese organisms all typically give birth to live young.
  • DThese organisms all typically lay eggs rather than giving birth to live young.

Q3:

Which of the following statements describes a characteristic shared by reptiles, birds, and mammals?

  • AThese organisms are all covered by smooth skin that contains hair.
  • BThe females of these organisms produce milk to feed their young.
  • CThese organisms all breathe through lungs.
  • DThese organisms all give birth to live young.

Q4:

Which of the following best describes the difference in appearance between an amphibian and a reptile?

  • AAmphibians have bodies covered with smooth skin, while reptiles have bodies covered with dry scales.
  • BAmphibians have bodies covered with hair or fur, while reptiles have bodies covered with smooth or slimy scales.
  • CReptiles have bodies covered with smooth skin, while amphibians have bodies covered with dry scales.

Q5:

An unknown marine organism is discovered. The organism found has a long, thin body that is not covered in scales, and it has no paired fins. What class of vertebrates is this organism most likely to belong to?

  • AOsteichthyes
  • BAgnatha
  • CChondrichthyes

Q6:

Which of the following is a defining feature of an animal belonging to the vertebrate subphylum?

  • AThe animal has a segmented body.
  • BThe animal develops a backbone or spine.
  • CThe animal develops an external skeleton.
  • DThe animal uses the environment to regulate their own temperature.

Q7:

Which of the following classes is not a class of the vertebrata subphylum?

  • AAmphibia
  • BAves
  • CMammalia
  • DReptilia
  • EArthropoda

Q8:

Which of the following is a defining feature of all organisms belonging to the Chordata phylum?

  • AThe organism will develop multiple external limbs.
  • BAt some stage in its development, the organism will possess a notochord.
  • CThe organism will develop a spinal cord and backbone.
  • DAt some stage in its development, the organism will possess an exoskeleton.

Q9:

An unknown marine organism is discovered. The organism found has a body covered in scales and has paired fins and a bony skeleton. What class of vertebrates is this organism most likely to belong to?

  • AAgnatha
  • BOsteichthyes
  • CChondrichthyes

Q10:

Organisms belonging to the class Agnatha are commonly known as jawless fish; an example is pictured. Which of the following is not a characteristic of an organism in the class Agnatha?

Jawless fish
  • AThey have an air bladder to help them float.
  • BThey possess a notochord.
  • CThey have a circular mouth with many teeth.
  • DThey often act as parasites to larger fish.

This lesson includes 21 additional questions for subscribers.

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