palaeoecology vs ecology

palaeoecology and ecology both are nouns.

Word	Noun	Adjective	Verb	Adverb
palaeoecology	Yes	No	No	No
ecology	Yes	No	No	No

As nouns, ecology is a hypernym of palaeoecology; that is, ecology is a word with a broader meaning than palaeoecology:

palaeoecology: the branch of ecology that studies ancient ecology
ecology: the branch of biology concerned with the relations between organisms and their environment

Other hypernyms of palaeoecology include bionomics, environmental science.

palaeoecology (noun)	ecology (noun)
the branch of ecology that studies ancient ecology	the branch of biology concerned with the relations between organisms and their environment
	the environment as it relates to living organisms