Cnidaria

Question 1

Phylum of approximately 10,000 species of primarily marine invertebrates, such as sea anemones, jellyfish, the Portuguese man-of-war, coral, and the freshwater Hydra

Answer 1

Phylum Cnidaria

Question 2

Class of hydras, Portuguese Man o’ War, obelia

Answer 2

Class Hydrozoa

Question 3

Class of true jellyfish

Answer 3

Class Scyphozoa

Question 4

Class of venomous box jellyfish

Answer 4

Class Cubozoa

Question 5

Class of highly diverse, including sea anemones, sea fans, sea pens, and coral, among others

Answer 5

Class Anthozoa