A noun.
Pretty sure its the direct Object.
Migratory is an adjective, as this word modifies a noun. For example, "The migratory birds flew south for the winter.".
No
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.