Cnidaria Lesson

Which class of cnidarians is newly recognized?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which class of cnidarians contains organisms that do not undergo alternation of generations and exist exclusively in the polyp form?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which class of cnidarians appear polyp-like, but but have internal anatomy that is medusa-like?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Tags

NGSS.MS-LS4-2

Which class of cnidarians have eyes that can see images?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which class of cnidarians includes “true” jellyfish that are always marine (never freshwater)?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which class of cnidarians includes the largest species (the Lion's Mane Jelly)?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which class of cnidarians is the most diverse, with over 6,000 described species?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Tags

NGSS.MS-LS4-2

Which class of cnidarians includes the most venomous species?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which 2 classes of cnidarians include colony animals?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa

Which 2 classes of cnidarians are characterized by a life cycle that includes alternation of generations (both polyp and medusa stages) but spend most of their lives in the medusa form?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

• Staurozoa