noun
ADJECTIVE
▪ large , small
▪ higher , lower
▪ endangered , rare
▪ extinct
▪ living
▪ early , primitive
▪ modern
▪ wild
▪ aquatic , marine , sea
▪ land , terrestrial
▪ carnivorous , herbivorous
▪ nocturnal
MAMMAL + NOUN
▪ species
▪ population
PREPOSITION
▪ among ~s
▪
deaths among marine ~s