noun
ADJECTIVE
▪ fragile
▪ natural
▪
Non-native plants have colonized the area and altered the natural ~.
▪ animal , human , plant , wildlife ( AmE )
▪ forest , marine
▪ behavioural/behavioral , evolutionary , physiological
▪ landscape ( AmE )
▪ global , local
VERB + ECOLOGY
▪ damage , disrupt
▪ study
ECOLOGY + NOUN
▪ movement
▪ research