Eternal vigilance on an Amazon floodplain.
Deep and puzzling evolutionary questions are still being raised by the unfashionable work of systematic biologists. James S. Albert describes some such work and argues why we need much more of it in the face of unprecedented loss of species through human activity.
Albert
James S
JS
D000818:Animals; D005075:Biological Evolution; D017753:Ecosystem; D005399:Fishes / Q000145:classification; D005618:Fresh Water; D006801:Humans; D010568:Peru; D014197:Trees; D014329:Tropical Climate