Adolescence /ˌæd

endangered birds/plants/species
animals or plants which may soon not exist because there are very few now alive


extinct /ɪkˈstɪŋkt/ adjective
1. not now existing
There is concern that the giant panda will soon become extinct.
Many tribes became extinct when they came into contact with Western illnesses.
A lot of trades have become extinct because of the development of technology.
2. An extinct volcano is one that is not now active (= will not explode again) .
genetic /dʒəˈnet.ɪk/ /-ˈnet ̬-/ adjective
belonging or relating to genes (= parts of the DNA in cells) received by each animal or plant from its parents
a genetic defect/disease