Columbia subject headings:
Evolution.
Natural history--Africa.
Nature conservation--Africa.
Rare animals--Ecology--Africa.
Rare plants--Ecology--Africa.
Harvard subject headings:
Evolution
Natural history--Africa
Nature conservation--Africa.
Plants--Evolution--Africa.
Rare animals--Evolution--Africa.
Rare plants--Evolution--Africa.
Princeton subject headings:
Evolution.
Natural history--Africa.
Nature conservation--Africa.
Rare animals--Africa--Ecology.
Rare plants--Africa--Ecology.