TASK DEFINITION: You are given a sentence and your task is to generate another sentence that supports the given input.
PROBLEM: Corals, hydra, & sea anemones exist     in the polyp form as adults

SOLUTION: Hydras and sea anemones are examples of apolyp.

PROBLEM: The bryophytes are a diverse assemblage of three phyla of nonvascular plants, with about 16,000 species, that includes the mosses, liverworts, and hornworts.

SOLUTION: Moss is best classified as a nonvascular plant.

PROBLEM: Metallic bond This is bonding of metal atoms where positive metal ions are in a three-dimensional arrangement and the valence electrons are able to move freely over the entire structure of the metal.

SOLUTION:
The force of attraction between a positively charged metal ion and the valence electrons it shares with other ions of the metal is called a(n) metallic bond.