The correct order of stages in the primary succession of a volcanic island environment is illustrated by? B) volcanic rock-lichen-moss-seagrass
C) volcanic Rock-Straub coconut-tree-seagrass
D) volcanic rock-seagrass coconut-tree-shrub

no i don't feel that humans have oversubscribed some medications

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.